10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________________________________________

FORM 10-Q

__________________________________________________

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2021

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Transition Period from to .

Commission file number 001-39313

__________________________________

SHIFT4 PAYMENTS, INC.

(Exact Name of Registrant as Specified in Its Charter)

__________________________________

Delaware	84-3676340
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
2202 N. Irving Street Allentown, Pennsylvania	18109
(Address of principal executive offices)	(Zip Code)

(Registrant’s telephone number, including area code): (888) 276-2108

N/A

(Former name, former address, and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Class A Common Stock, $0.0001 par value per share	FOUR	The New York Stock Exchange

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	o	Accelerated filer	o
Non-accelerated filer	x	Smaller reporting company	o
Emerging growth company	x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ No x

As of November 8, 2021, there were 51,522,201 shares of the registrant’s Class A common stock, $0.0001 par value per share, outstanding, 26,272,654 shares of the registrant’s Class B common stock, $0.0001 par value per share, outstanding and 5,139,890 shares of the registrant’s Class C common stock, $0.0001 par value per share, outstanding.

SHIFT4 PAYMENTS, INC.

TABLE OF CONTENTS

	PART I. FINANCIAL INFORMATION
Item 1	Financial Statements (unaudited)	4
	Condensed Consolidated Balance Sheets	4
	Condensed Consolidated Statements of Operations	5
	Condensed Consolidated Statements of Changes in Redeemable Preferred Units and Stockholders’ Equity/Members’ (Deficit)	6
	Condensed Consolidated Statements of Cash Flows	8
	Notes to Condensed Consolidated Financial Statements	9
Item 2	Management’s Discussion and Analysis of Financial Condition and Results of Operations	37
Item 3	Quantitative and Qualitative Disclosures About Market Risk	54
Item 4	Controls and Procedures	54
	PART II. OTHER INFORMATION
Item 1	Legal Proceedings	56
Item 1A	Risk Factors	56
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds	56
Item 3	Defaults Upon Senior Securities	56
Item 4	Mine Safety Disclosures	56
Item 5	Other Information	56
Item 6	Exhibits	57
Signatures		58

2

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements. We intend such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). All statements other than statements of historical facts contained in this Quarterly Report, including statements relating to our future results of operations and financial position, business strategy and plans and objectives of management for future operations, including, among others, statements regarding expected growth, future capital expenditures and debt service obligations, the anticipated impact of the COVID-19 pandemic (and any variants of the virus) on our business, and our expectations regarding our filer status as of December 31, 2021 are forward-looking statements. These statements involve known and unknown risks, uncertainties and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements.

In some cases, you can identify forward-looking statements by terms such as “may,” “will,” “should,” “expect,” “plan,” “anticipate,” “could,” “intend,” “target,” “project,” “contemplate,” “believe,” “estimate,” “predict,” “potential”, or “continue” or the negative of these terms or other similar expressions. The forward-looking statements in this Quarterly Report are only predictions. We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends that we believe may affect our business, financial condition and results of operations. These forward-looking statements speak only as of the date of this Quarterly Report and are subject to a number of important factors that could cause actual results to differ materially from those in the forward-looking statements, including, but not limited to the following:

•the ongoing impact of the COVID-19 global pandemic on our business and results of operations;

•substantial and increasingly intense competition worldwide in the financial services, payments and payment technology industries;

•potential changes in the competitive landscape, including disintermediation from other participants in the payments chain;

•our ability to anticipate and respond to changing industry trends and the needs and preferences of our merchants and consumers;

•our reliance on third-party vendors to provide products and services;

•risks associated with acquisitions;

•our expansion of our share of the existing payment processing markets or into new markets;

•integration and interoperability of our services and products with a variety of operating systems, software, device and web browsers;

•dependence on our merchant and software partner relationships and strategic partnerships with various institutions to operate and grow our business;

•impairment of significant amounts of goodwill and intangible assets on our balance sheet;

•failure to comply with the U.S. Foreign Corrupt Practices Act, anti-money laundering, economic and trade sanctions regulations, and similar laws;

•our dependence on our interest in Shift4 Payments, LLC to pay our taxes and expenses, including payments under the Tax Receivable Agreement (“TRA”);

•Shift4 Payments, LLC’s ability to make such distributions may be subject to various limitations and restrictions;

•our Founder and Searchlight (each as defined herein) have significant influence over us, including control over decisions that require the approval of stockholders; and

•those factors described in the sections titled “Risk Factors and “Management’s Discussion and Analysis of Financial Conditions and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2020 and the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in this Quarterly Report on Form 10-Q.

Moreover, we operate in an evolving environment. New risk factors and uncertainties may emerge from time to time, and it is not possible for management to predict all risk factors and uncertainties.

You should read this Quarterly Report and the documents that we reference in this Quarterly Report completely and with the understanding that our actual future results may be materially different from what we expect. We qualify all of our forward-looking statements by these cautionary statements. Except as required by applicable law, we do not plan to publicly update or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed circumstances or otherwise.

3

PART I: FINANCIAL INFORMATION

Item 1. Financial Statements (unaudited)

SHIFT4 PAYMENTS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited) (in millions, except share and per share amounts)

	September 30, 2021		December 31, 2020
Assets
Current assets
Cash and cash equivalents	$	1,288.1	$	927.8
Accounts receivable, net of allowance for doubtful accounts of $13.4 in 2021 ($5.7 in 2020) (Note 3)	184.4		92.7
Inventory	2.0		1.5
Prepaid expenses and other current assets (Note 11)	13.2		11.5
Total current assets	1,487.7		1,033.5
Noncurrent assets
Goodwill (Note 5)	537.6		477.0
Other intangible assets, net (Note 6)	188.3		186.3
Capitalized acquisition costs, net (Note 7)	34.3		30.2
Equipment for lease, net (Note 8)	56.3		36.6
Property, plant and equipment, net (Note 9)	17.8		15.1
Investments in securities (Note 1)	29.5		—
Deferred tax asset (Note 13)	1.5		—
Other noncurrent assets	2.1		0.6
Total noncurrent assets	867.4		745.8
Total assets	$	2,355.1	$	1,779.3
Liabilities and Stockholders' Equity
Current liabilities
Current portion of debt (Note 10)	$	—	$	0.9
Accounts payable	125.8		60.6
Accrued expenses and other current liabilities (Note 11)	37.4		30.1
Deferred revenue (Note 3)	16.8		7.8
Total current liabilities	180.0		99.4
Noncurrent liabilities
Long-term debt (Note 10)	1,736.8		1,005.4
Deferred tax liability (Note 13)	—		2.8
Other noncurrent liabilities	2.9		1.7
Total noncurrent liabilities	1,739.7		1,009.9
Total liabilities	1,919.7		1,109.3
Commitments and contingencies (Note 16)
Stockholders' equity (Note 18)
Preferred stock, $0.0001 par value, 20,000,000 shares authorized at September 30, 2021 and December 31, 2020, none issued and outstanding	—		—
Class A common stock, $0.0001 par value per share, 300,000,000 shares authorized, 51,508,608 and 39,737,950 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	—		—
Class B common stock, $0.0001 par value per share, 100,000,000 shares authorized, 26,272,654 and 30,625,857 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	—		—
Class C common stock, $0.0001 par value per share, 100,000,000 shares authorized, 5,139,890 and 10,188,852 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	—		—
Additional paid-in capital	614.3		738.3
Retained deficit	(315.9)		(278.7)
Total stockholders' equity attributable to Shift4 Payments, Inc.	298.4		459.6
Noncontrolling interests (Note 19)	137.0		210.4
Total stockholders' equity	435.4		670.0
Total liabilities and stockholders' equity	$	2,355.1	$	1,779.3

See accompanying notes to unaudited condensed consolidated financial statements.

4

SHIFT4 PAYMENTS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited) (in millions, except share and per share amounts)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Gross revenue (a)	$	377.8	$	214.8	$	968.1	$	556.0
Cost of sales (b)	313.4		163.3		773.8		429.5
Gross profit	64.4		51.5		194.3		126.5
General and administrative expenses	48.1		35.4		153.3		144.8
Depreciation and amortization expense	15.0		16.2		45.9		37.1
Professional fees	3.3		2.9		13.0		5.8
Advertising and marketing expenses	3.5		0.8		26.1		2.9
Restructuring expenses (Note 4)	0.1		0.1		0.2		0.4
Other operating (income) expense, net (Note 3)	—		—		—		(12.4)
Total operating expenses	70.0		55.4		238.5		178.6
Loss from operations	(5.6)		(3.9)		(44.2)		(52.1)
Loss on extinguishment of debt (Note 10)	—		—		(0.2)		(7.1)
Other income, net	0.2		0.5		0.2		0.6
Interest expense	(7.4)		(7.1)		(20.2)		(32.1)
Loss before income taxes	(12.8)		(10.5)		(64.4)		(90.7)
Income tax (expense) benefit (Note 13)	(1.0)		0.7		4.1		1.0
Net loss (c)	(13.8)		(9.8)		(60.3)		(89.7)
Net loss attributable to noncontrolling interests (d)	(4.6)		(4.8)		(21.5)		(83.7)
Net loss attributable to Shift4 Payments, Inc. (e)	$	(9.2)	$	(5.0)	$	(38.8)	$	(6.0)
Basic and diluted net loss per share: (f)
Class A net loss per share - basic and diluted	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)
Class A weighted average common stock outstanding - basic and diluted	49,692,599		23,309,247		46,251,576		22,363,399
Class C net loss per share - basic and diluted	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)
Class C weighted average common stock outstanding - basic and diluted	6,117,997		19,222,017		8,078,943		19,424,100

(a)For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

(b)For the three and nine months ended September 30, 2021, includes $2.3 million of payments to partners associated with the TSYS outage. See Note 3 for more information.

(c)Net loss is equal to comprehensive loss.

(d)Net loss attributable to noncontrolling interests is equal to comprehensive loss attributable to noncontrolling interests, including the net loss for the period January 1, 2020 through June 4, 2020, the date the SEC declared effective the Company’s Registration Statement on Form S-1 filed in connection with its IPO. See Note 1 for more information.

(e)Net loss attributable to Shift4 Payments, Inc. is equal to comprehensive loss attributable to Shift4 Payments, Inc.

(f)For the nine months ended September 30, 2020, represents basic and diluted net loss per share of Class A and Class C common stock and weighted average shares of Class A and Class C common stock outstanding for the period from June 5, 2020 through September 30, 2020, the period following the Reorganization Transactions and Shift4 Payments, Inc.'s initial public offering described in Note 1. See Note 21 for additional information on basic and diluted net loss per share.

See accompanying notes to unaudited condensed consolidated financial statements.

5

SHIFT4 PAYMENTS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN REDEEMABLE PREFERRED UNITS AND STOCKHOLDERS’ EQUITY/ MEMBERS’ (DEFICIT)

(Unaudited) (in millions, except units and shares)

	Class A Common Stock			Class B Common Stock			Class C Common Stock			Additional paid-in capital		Retained Deficit		Noncontrolling Interests		Total equity
	Shares	Amount		Shares	Amount		Shares	Amount
Balances at December 31, 2020	39,737,950	$	—	30,625,857	$	—	10,188,852	$	—	$	738.3	$	(278.7)	$	210.4	$	670.0
Net loss	—	—		—	—		—	—		—		(32.8)		(18.2)		(51.0)
Cumulative effect of ASU 2020-06 adoption	—	—		—	—		—	—		(111.5)		1.6		—		(109.9)
Issuance of Class A common stock and fair value of equity-based compensation awards assumed in connection with VenueNext acquisition	325,127	—		—	—		—	—		13.5		—		12.8		26.3
Transfer from Founder of right associated with Inspiration4 seat	—	—		—	—		—	—		1.3		—		0.8		2.1
Exchange of shares held by Searchlight	2,000,000	—		(926,000)	—		(1,074,000)	—		6.3		—		(6.3)		—
Equity-based compensation	—	—		—	—		—	—		14.0		—		—		14.0
Vesting of restricted stock units, net of tax withholding	46,503	—		—	—		—	—		(1.4)		—		(1.0)		(2.4)
Balances at March 31, 2021	42,109,580	$	—	29,699,857	$	—	9,114,852	$	—	$	660.5	$	(309.9)	$	198.5	$	549.1
Net income	—	—		—	—		—	—		—		3.2		1.3		4.5
Exchange of shares held by Searchlight	3,152,165	—		(1,459,453)	—		(1,692,712)	—		7.9		—		(7.9)		—
Equity-based compensation	—	—		—	—		—	—		6.6		—		—		6.6
Vesting of restricted stock units, net of tax withholding	1,953,859	—		—	—		—	—		(73.7)		—		(40.3)		(114.0)
Balances at June 30, 2021	47,215,604	$	—	28,240,404	$	—	7,422,140	$	—	$	601.3	$	(306.7)	$	151.6	$	446.2
Net loss	—	—		—	—		—	—		—		(9.2)		(4.6)		(13.8)
Issuance of Class A common stock and fair value of equity-based compensation awards assumed in connection with VenueNext acquisition	16,797	—		—	—		—	—		—		—		—		—
Exchange of shares held by Searchlight	4,250,000	—		(1,967,750)	—		(2,282,250)	—		9.0		—		(9.0)		—
Equity-based compensation	—	—		—	—		—	—		6.4		—		—		6.4
Vesting of restricted stock units, net of tax withholding	26,207	—		—	—		—	—		(2.4)		—		(1.0)		(3.4)
Balances at September 30, 2021	51,508,608	$	—	26,272,654	$	—	5,139,890	$	—	$	614.3	$	(315.9)	$	137.0	$	435.4

6

SHIFT4 PAYMENTS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN REDEEMABLE PREFERRED UNITS AND STOCKHOLDERS’ EQUITY/ MEMBERS’ (DEFICIT) (continued)

(Unaudited) (in millions, except units and shares)

	Redeemable Preferred Units			Class A Common Units			Class B Common Units			Class A Common Stock			Class B Common Stock			Class C Common Stock			Additional paid-in capital		Members' Equity		Retained Deficit		Noncontrolling Interests		Total equity (deficit)
	Units	Amount		Units	Amount		Units	Amount		Shares	Amount		Shares	Amount		Shares	Amount
Balances at December 31, 2019	430	$	43.0	100,000	$	—	1,010	$	0.3	—	$	—	—	$	—	—	$	—	$	—	$	149.2	$	(182.4)	$	—	$	(32.9)
Net loss prior to Reorganization Transactions, IPO and concurrent private placement	—	—		—	—		—	—		—	—		—	—		—	—		—		—		(5.1)		—		(5.1)
Capital distributions	—	—		—	—		—	—		—	—		—	—		—	—		—		(0.1)		—		—		(0.1)
Preferred return on redeemable preferred units	—	—		—	—		—	—		—	—		—	—		—	—		—		(1.2)		—		—		(1.2)
Balances at March 31, 2020	430	$	43.0	100,000	$	—	1,010	$	0.3	—	$	—	—	$	—	—	$	—	$	—	$	147.9	$	(187.5)	$	—	$	(39.3)
Net loss prior to Reorganization Transactions, IPO and concurrent private placement	—	—		—	—		—	—		—	—		—	—		—	—		—		—		(72.8)		—		(72.8)
Capital distributions	—	—		—	—		—	—		—	—		—	—		—	—		—		(0.4)		—		—		(0.4)
Preferred return on redeemable preferred units	—	—		—	—		—	—		—	—		—	—		—	—		—		(0.9)		—		—		(0.9)
Balances at June 4, 2020 prior to Reorganization Transactions, IPO and concurrent private placement	430	$	43.0	100,000	$	—	1,010	$	0.3	—	$	—	—	$	—	—	$	—	$	—	$	146.6	$	(260.3)	$	—	$	(113.4)
Reorganization transactions	(430)	(43.0)		(100,000)	—		(1,010)	(0.3)		528,150	—		39,204,989	—		15,513,817	—		189.9		(146.6)		—		—		43.0
Preferred dividends settled with LLC interests	—	—		—	—		—	—		—	—		—	—		—	—		2.3		—		—		—		2.3
Issuance of common stock in IPO and concurrent private placement	—	—		—	—		—	—		17,250,000	—		—	—		4,625,346	—		463.8		—		—		—		463.8
Allocation of equity to noncontrolling interests	—	—		—	—		—	—		—	—		—	—		—	—		(211.5)		—		—		211.5		—
Issuance of common stock for change of control contingent liabilities	—	—		—	—		—	—		915,503	—		—	—		—	—		21.1		—		—		—		21.1
Issuance of restricted stock units for change of control contingent liabilities	—	—		—	—		—	—		—	—		—	—		—	—		2.1		—		—		—		2.1
Equity-based compensation	—	—		—	—		—	—		—	—		—	—		—	—		50.0		—		—		—		50.0
Net loss subsequent to Reorganization Transactions, IPO and concurrent private placement	—	—		—	—		—	—		—	—		—	—		—	—		—		—		(1.0)		(1.0)		(2.0)
Balances at June 30, 2020	—	$	—	—	$	—	—	$	—	18,693,653	$	—	39,204,989	$	—	20,139,163	$	—	$	517.7	$	—	$	(261.3)	$	210.5	$	466.9
Issuance of Class A common stock in connection with Follow-on offering	—	—		—	—		—	—		2,000,000	—		—	—		—	—		91.8		—		—		—		91.8
Allocation of equity to noncontrolling interest from Follow-on offering	—	—		—	—		—	—		—	—		—	—		—	—		(45.7)		—		—		45.7		—
Exchange of shares held by Searchlight	—	—		—	—		—	—		7,856,373	—		(3,637,501)	—		(4,218,872)	—		3.8		—		—		(3.8)		—
Other	—	—		—	—		—	—		—	—		—	—		—	—		(1.2)		—		—		—		(1.2)
Equity-based compensation	—	—		—	—		—	—		—	—		—	—		—	—		6.2		—		—		—		6.2
Net loss	—	—		—	—		—	—		—	—		—	—		—	—		—		—		(5.0)		(4.8)		(9.8)
Balances at September 30, 2020	—	$	—	—	$	—	—	$	—	28,550,026	$	—	35,567,488	$	—	15,920,291	$	—	$	572.6	$	—	$	(266.3)	$	247.6	$	553.9

See accompanying notes to unaudited condensed consolidated financial statements.

7

SHIFT4 PAYMENTS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited) (in millions)

	Nine Months Ended September 30,
	2021		2020
Operating activities
Net loss	$	(60.3)	$	(89.7)
Adjustment to reconcile net loss to net cash provided by operating activities
Depreciation and amortization	76.8		59.7
Amortization of capitalized financing costs	4.1		2.9
Loss on extinguishment of debt	0.2		7.1
Deferred income taxes	(4.3)		1.1
Provision for bad debts	10.3		6.9
Revaluation of contingent liabilities	0.2		(5.9)
Impairment of intangible assets	—		0.4
Equity-based compensation expense	26.9		56.2
Other noncash items	1.0		(0.3)
Impact of lease modifications	—		(12.4)
Change in operating assets and liabilities
Accounts receivable	(98.0)		(19.3)
Contract assets	—		(0.6)
Prepaid expenses and other assets	(1.4)		(2.9)
Inventory	2.9		0.1
Accounts payable	59.1		16.9
Accrued expenses and other current liabilities	5.3		(5.5)
Deferred revenue	2.8		2.3
Net cash provided by operating activities	25.6		17.0
Investing activities
Acquisitions, net of cash acquired	(54.2)		—
Acquisition of equipment to be leased	(35.3)		(5.8)
Investments in securities	(29.5)		—
Customer acquisition costs	(19.3)		(14.4)
Capitalized software development costs	(13.0)		(7.0)
Acquisition of property, plant and equipment	(6.3)		(2.6)
Residual commission buyouts	(4.4)		(2.1)
Net cash used in investing activities	(162.0)		(31.9)
Financing activities
Proceeds from long-term debt	632.5		—
Payments for withholding tax related to vesting of restricted stock units	(119.7)		—
Deferred financing costs	(15.2)		(0.5)
Repayment of debt	(0.9)		(192.8)
IPO proceeds, net of underwriting discounts and commissions	—		372.9
Proceeds from private placement	—		100.0
September follow-on offering proceeds, net of underwriting discounts and commissions	—		93.4
Offering costs	—		(9.1)
Proceeds from revolving line of credit	—		68.5
Repayment of revolving line of credit	—		(89.5)
Payments on contingent liabilities	—		(1.4)
Preferred return on preferred stock	—		(0.9)
Capital distributions	—		(0.5)
Net cash provided by financing activities	496.7		340.1
Change in cash and cash equivalents	360.3		325.2
Cash and cash equivalents
Beginning of period	927.8		3.7
End of period	$	1,288.1	$	328.9

Supplemental cash flows information and noncash activities are further described in Note 22.

See accompanying notes to unaudited condensed consolidated financial statements.

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SHIFT4 PAYMENTS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited) (in millions, except share, unit, per unit and merchant count amounts)

1.Organization, Basis of Presentation and Significant Accounting Policies

Organization

Shift4 Payments, Inc., “Shift4 Payments” or “the Company”, was incorporated in Delaware on November 5, 2019 in order to carry on the business of Shift4 Payments, LLC and its consolidated subsidiaries.

The Company is a leading provider of integrated payment processing and technology solutions. Through the Shift4 Model, the Company offers software providers a single integration to an end-to-end payments offering, a powerful gateway and a robust suite of technology solutions (including cloud enablement, business intelligence, analytics, and mobile) to enhance the value of their software suites and simplify payment acceptance. The Company provides for its merchants a seamless customer experience at scale, rather than simply acting as one of multiple providers they rely on to operate their businesses. The Shift4 Model is built to serve a range of merchants from small-to-medium-sized businesses to large and complex enterprises across numerous verticals, including lodging, leisure, stadiums and arenas, and food and beverage. This includes the Company’s Harbortouch, Restaurant Manager, POSitouch, and Future POS brands, as well as over 350 additional software integrations in virtually every industry.

Initial Public Offering and Concurrent Private Placement

On June 4, 2020, the Securities and Exchange Commission (“SEC”) declared effective the Company’s Registration Statement on Form S-1 (File No. 333-238307), as amended, filed in connection with its Initial Public Offering (“IPO”) (the “Registration Statement”). The Company’s Class A common stock started trading on The New York Stock Exchange on June 5, 2020. On June 9, 2020, the Company completed its IPO of 17,250,000 shares of Class A common stock, including 2,250,000 shares pursuant to the full exercise of the underwriters’ option to purchase additional shares, at a price to the public of $23.00 per share. Upon completion of the IPO, the Company received net proceeds of approximately $362.6 million, after deducting underwriting discounts and commissions and offering expenses of approximately $34.2 million. Concurrently with the IPO, the Company also completed a $100.0 million private placement of 4,625,346 shares of Class C common stock to Rook Holdings Inc. (“Rook”), a corporation wholly-owned by the Company’s Founder and Chief Executive Officer. The total net proceeds from the IPO and concurrent private placement were approximately $462.6 million. Shift4 Payments, Inc. used the proceeds to purchase newly-issued limited liability company interests from Shift4 Payments, LLC (“LLC Interests”). Shift4 Payments, LLC used these amounts received from Shift4 Payments, Inc. to repay certain existing indebtedness and for general corporate purposes. See Note 10 for more information. In connection with the IPO, the Company completed certain reorganization transactions (“Reorganization Transactions”) as described in the Company’s Form 10-K for the year ended December 31, 2020 filed with the SEC on March 8, 2021 (“2020 Form 10-K”).

Basis of Presentation

The accompanying interim condensed consolidated financial statements of the Company are unaudited. These unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and the applicable rules and regulations of the SEC for interim financial information. As such, these financial statements do not include all information and footnotes required by U.S. GAAP for complete financial statements. The December 31, 2020 Condensed Consolidated Balance Sheet was derived from audited financial statements as of that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments consisting only of normal recurring adjustments necessary to state fairly the financial position, results of operations and cash flows for the periods presented in conformity with U.S. GAAP applicable to interim periods. The results of operations for the interim periods presented are not necessarily indicative of results for the full year or future periods. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2020, as disclosed in the 2020 Form 10-K.

The unaudited condensed consolidated financial statements include the accounts of Shift4 Payments, Inc. and its wholly-owned subsidiaries. Shift4 Payments, Inc. consolidates the financial results of Shift4 Payments, LLC, which is

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considered a variable interest entity (“VIE”). Shift4 Payments, Inc. is the primary beneficiary and sole managing member of Shift4 Payments, LLC and has decision making authority that significantly affects the economic performance of the entity. As a result, the Company consolidates Shift4 Payments, LLC, and reports a noncontrolling interest representing the economic interest in Shift4 Payments, LLC held by certain affiliates of Searchlight Capital Partners (“Searchlight”) and Rook (together, the “Continuing Equity Owners”).

As the Reorganization Transactions are considered transactions between entities under common control, the financial statement presentation for the periods prior to the IPO and Reorganization Transactions have been adjusted to combine the previously separate entities for presentation purposes. Prior to the Reorganization Transactions, Shift4 Payments, Inc. had no operations.

All intercompany balances and transactions have been eliminated in consolidation.

The assets and liabilities of Shift4 Payments, LLC represent substantially all of the consolidated assets and liabilities of Shift4 Payments, Inc. with the exception of certain cash balances and the aggregate principal amount of $690.0 million of 2025 Convertible Notes and $632.5 million of 2027 Convertible Notes that are held by Shift4 Payments, Inc. directly. See Note 10 for information about the 2025 Convertible Notes and the 2027 Convertible Notes. In connection with the issuance of each the 2025 Convertible Notes and the 2027 Convertible Notes, Shift4 Payments, Inc. entered into an intercompany convertible promissory note (“Intercompany Convertible Note”) with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2025 Convertible Notes and the 2027 Convertible Notes to Shift4 Payments, LLC in the amount of $673.6 million and $617.7 million, respectively. The terms of each Intercompany Convertible Note mirror the terms of each the 2025 Convertible Notes and the 2027 Convertible Notes issued by Shift4 Payments, Inc. The intent of each Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement. As of September 30, 2021 and December 31, 2020, $9.6 million and $684.5 million of cash was held by Shift4 Payments, Inc., respectively. Shift4 Payments Inc., which was established November 5, 2019, has not had any material operations on a standalone basis since its inception, and all of the operations of the Company are carried out by Shift4 Payments, LLC and its subsidiaries.

Liquidity and Management’s Plan

The unprecedented and rapid spread of COVID-19 as well as the shelter-in place orders, promotion of social distancing measures, restrictions to businesses deemed non-essential, and travel restrictions implemented throughout the United States have significantly impacted the restaurant and hospitality industries. As a result, the Company’s revenues, which are largely tied to processing volumes in these verticals, were materially impacted beginning in the final two weeks of March 2020. Since late March 2020, despite volumes in merchant categories associated with international travel and corporate travel running lower than pre-COVID-19 pandemic levels, the Company has seen a significant recovery in its end-to-end payment volumes as a result of merchants reopening their operations, new merchant onboarding and gateway conversions. While gross revenue and end-to-end volumes for the three and nine months ended September 30, 2021 have exceeded those for the three and nine months ended September 30, 2020, the Company will continue to evaluate the nature and extent of potential COVID-19-related impacts to its business, consolidated results of operations, and liquidity.

As of September 30, 2021, the Company had $1,772.5 million outstanding under its credit facilities and was in compliance with the financial covenants under its debt agreements. The Company expects to be in compliance for at least 12 months following issuance of these unaudited condensed consolidated financial statements. See Note 10 for further information on the Company’s debt obligations.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP, requires management to make estimates and assumptions that affect the amounts reported in the unaudited condensed consolidated financial statements and accompanying notes. Significant estimates inherent in the preparation of the accompanying unaudited condensed consolidated financial statements include estimates of fair value of acquired assets and liabilities through business combinations, fair value of contingent liabilities related to earnout payments and change of control, fair value of debt instruments, allowance for doubtful accounts, income taxes, investments in securities, noncontrolling interests and the February 2021 transfer of the right to select a participant for one seat on board Inspiration4, the first all-civilian mission to space, from Jared Isaacman, the Company’s Chief Executive Officer and founder (“Founder”). Estimates are based on past experience and other considerations reasonable under the circumstances. Actual results may differ from these estimates.

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Additionally, the full impact of the COVID-19 pandemic is unknown and cannot be reasonably estimated. However, the Company has made accounting estimates based on the facts and circumstances available as of the reporting date. To the extent there are differences between these estimates and actual results, the unaudited condensed consolidated financial statements may be materially affected.

Revision of Previously Issued Financial Statements

During the course of preparing the Company’s consolidated financial statements for the year ended December 31, 2020, it was identified that $4.8 million of acquired technology recorded in “Other intangible assets, net” in the Consolidated Balance Sheet should have been impaired during fiscal year 2018. Although the Company has determined that this error did not have a material impact on its previously issued condensed consolidated financial statements, it has revised the accompanying condensed consolidated financial statements to correct for this error and to reflect the associated decrease in amortization expense of $0.1 million and $0.4 million recorded in “Cost of Sales” for the three and nine months ended September 30, 2020, respectively.

In addition, a misclassification of $0.1 million and $2.2 million was identified for the three and nine months ended September 30, 2020, respectively, resulting from expensing equipment provided to customers under the Company’s warranty program as “General and administrative expenses” which should have been classified as “Cost of sales” in the unaudited Condensed Consolidated Statements of Operations. This misclassification has also been corrected in connection with the revision of the unaudited Condensed Consolidated Statements of Operations. The revisions had no net impact on cash flows from operating, investing or financing activities in the unaudited Condensed Consolidated Statements of Cash Flows.

The applicable notes to the unaudited condensed consolidated financial statements have also been revised to correct for these errors. The following table sets forth the effects of the revisions to the previously issued unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2020 to correct for the prior period errors.

	For the three months ended September 30, 2020						For the nine months ended September 30, 2020
Consolidated Statements of Operations	As previously reported		Adjustment		As revised		As previously reported		Adjustment		As revised
Cost of sales	$	163.3	$	—	$	163.3	$	427.7	$	1.8	$	429.5
Gross profit	51.5		—		51.5		128.3		(1.8)		126.5
General and administrative expenses	35.5		(0.1)		35.4		147.0		(2.2)		144.8
Total operating expenses	55.5		(0.1)		55.4		180.8		(2.2)		178.6
Income (loss) from operations	(4.0)		0.1		(3.9)		(52.5)		0.4		(52.1)
Loss before income taxes	(10.6)		0.1		(10.5)		(91.1)		0.4		(90.7)
Net loss (a)	(9.9)		0.1		(9.8)		(90.1)		0.4		(89.7)
Basic and diluted net loss per share - Class A and Class C	(0.12)		—		(0.12)		(0.15)		—		(0.15)

(a)Net loss is equal to comprehensive loss.

As a result of the revisions, "Retained Deficit" and "Total equity (deficit)” as of September 30, 2020 were revised from $(262.6) million to $(266.3) million and $557.5 million to $553.9 million, respectively.

Significant Accounting Policies

The Company’s significant accounting policies are discussed in Note 2 to Shift4 Payments, Inc.’s consolidated financial statements as of and for the years ended December 31, 2020 and 2019 in the 2020 Form 10-K. There have been no significant changes to these policies which have had a material impact on the Company’s unaudited condensed consolidated financial statements and related notes during the nine months ended September 30, 2021, except as noted below.

Investments in securities

Investments in securities represents the Company’s investments in equity of non-public entities. These non-marketable equity investments have no readily determinable fair values and are measured using the measurement alternative,

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which is defined as cost, less impairment, adjusted for observable price changes from orderly transactions for identical or similar investments of the same issuer. Adjustments, if any, are recorded in “Other income, net” on the unaudited Condensed Consolidated Statements of Operations. As of September 30, 2021, the Company has invested $27.5 million in Space Exploration Technologies Corp. (“SpaceX”), which designs, manufactures, and launches advanced rockets, spacecraft and satellites and $2.0 million in Sightline Payments, Inc. (“Sightline Payments”), a financial technology company that provides cashless, mobile, and omni-channel commerce solutions for the gaming, lottery, sports betting and other industries.

Recent Accounting Pronouncements

The Company, an emerging growth company (“EGC”), has elected to take advantage of the benefits of the extended transition period provided for in Section 7(a)(2)(B) of the Securities Act, for complying with new or revised accounting standards which allows the Company to defer adoption of certain accounting standards until those standards would otherwise apply to private companies. The Company expects to become a large accelerated filer effective December 31, 2021, following which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies.

Accounting Pronouncements Adopted

In October 2021, the FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities From Contracts With Customers. This ASU requires an acquirer to account for revenue contracts acquired in a business combination in accordance with ASC 606, Revenue from Contracts with Customers, as if it had originated the contracts. Prior to ASU 2021-08, an acquirer generally recognized assets acquired and liabilities assumed in a business combination, including contract assets and contract liabilities arising from revenue contracts with customers and other similar contracts, at fair value on the acquisition date. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. The guidance is effective for the Company for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, and should be applied prospectively to business combinations occurring on or after the effective date. Early adoption is permitted. An entity that early adopts in an interim period should apply the amendments (1) retrospectively to all business combinations for which the acquisition date occurs on or after the beginning of the fiscal year that includes the interim period of early application and (2) prospectively to all business combinations that occur on or after the date of initial application. The Company adopted ASU 2021-08 in the third quarter of 2021 and retrospectively applied the ASU to its acquisitions that occurred in 2021. The adoption of ASU 2021-08 resulted in an increase to “Deferred revenue” of $5.7 million, of which $1.8 million was recognized as an increase to “Gross revenue” for the three and nine months ended September 30, 2021. The impact on net loss per Class A and Class C share, basic and diluted, was $0.03 for both the three and nine months ended September 30, 2021.

In August 2020, the FASB issued ASU 2020-06, Debt-Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging-Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity. This ASU removes certain separation models in ASC 470-20 for convertible instruments, and, as a result, embedded conversion features that do not require bifurcation under ASC 815 are no longer subject to separation into an equity classified component. Consequently, a convertible debt instrument, such as the Company's 2025 Convertible Notes, shall be accounted for as a single liability measured at its amortized cost. The Company adopted ASU 2020-06 on January 1, 2021 using the modified retrospective transition method. As of December 31, 2020, the Company had recorded a discount on the 2025 Convertible Notes of $111.5 million related to the separation of the conversion feature. This discount resulted in the accretion of interest expense over time and was removed upon adoption of this ASU. The adoption of ASU 2020-06 resulted in a decrease to additional paid-in capital of $111.5 million, a decrease to retained deficit of $1.6 million and a net increase to long-term debt of $109.9 million. Interest expense recognized in future periods will be reduced as a result of accounting for the convertible debt instrument as a single liability measured at its amortized cost. The impact on net loss per share and the Company’s debt covenants was not material.

In August 2018, the FASB issued ASU 2018-13: Fair Value Measurement—Disclosure Framework (Topic 820). The updated guidance improves the disclosure requirements on fair value measurements. The Company adopted ASU 2018-13 effective January 1, 2020 and there was no significant impact on the Company’s disclosures upon adoption.

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Accounting Pronouncements Not Yet Adopted

In February 2016, the FASB issued ASU 2016-02: Leases. The new standard requires a lessee to record assets and liabilities on the balance sheet for the rights and obligations arising from leases with terms of more than 12 months. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in the annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In June 2016, the FASB issued ASU 2016-13: Financial Instruments—Credit Losses (Topic 326), which changes the impairment model for most financial assets, including accounts receivable, and replaces the existing incurred loss impairment model with an expected loss methodology, which will result in more timely recognition of credit losses. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in our annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The Company is evaluating the potential impact of adopting ASU 2016-13 on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04: Simplifying the Test for Goodwill Impairment, which removes step 2 of the quantitative goodwill impairment test. Under the amended guidance, a goodwill impairment charge is recognized for the amount by which the carrying value of a reporting unit exceeds its fair value, not to exceed the carrying amount of goodwill. The Company expects to apply this guidance to the annual goodwill impairment test performed on October 1, 2021 for the year ended December 31, 2021. The Company is evaluating the potential impact of adopting ASU 2017-04 on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement that is a Service Contract. ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal use software license). The accounting for the service element of a hosting arrangement that is a service contract is not affected. The guidance is effective for the Company for annual reporting periods beginning after December 15, 2020, and interim reporting periods beginning after December 15, 2021. The Company adopted ASU 2018-15 prospectively for the Company’s annual reporting period effective January 1, 2021 and will adopt it for interim reporting periods beginning on January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. ASU 2019-12 removes certain exceptions associated with (i) intraperiod tax allocations, (ii) recognition of deferred tax liability for equity method investments of foreign subsidiaries, and (iii) the calculation of income taxes in an interim period when in a loss position. Additionally, ASU 2019-12 simplifies accounting for (i) income taxes associated with franchise taxes, (ii) tax basis of goodwill in a business combination, (iii) the allocation of tax expense to a legal entity that is not subject to tax in standalone financial statements, (iv) enacted changes in tax laws, and (v) income taxes related to employee stock ownership plans and investments in qualified affordable housing projects accounted for under the equity method. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in our annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform, which provides optional expedients and exceptions for applying U.S. GAAP to contract modifications and hedging relationships, subject to certain criteria, that reference the London Interbank Offered Rate (“LIBOR”), or another reference rate that is expected to be discontinued. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. The Company is currently evaluating whether it will elect the optional expedients, as well as evaluating the impact of ASU 2020-04 on the Company’s consolidated financial statements.

In July 2021, the FASB issued ASU 2021-05: Lessors —Certain Leases with Variable Lease Payments, to amend lessor accounting for certain leases with variable lease payments that do not depend on a reference index or a rate and

13

would have resulted in the recognition of a loss at lease commencement if classified as a sales-type or a direct financing lease. ASU 2021-05 amends the classification requirements of such leases for lessors to result in an operating lease classification. This guidance can be applied either retrospectively or prospectively with early adoption permitted. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt ASU 2021-05 effective January 1, 2022. The Company is evaluating the method of adoption and the potential impact of adopting ASU 2021-05 on the Company’s consolidated financial statements.

2.Acquisitions

Each of the following acquisitions was accounted for as a business combination using the acquisition method of accounting. The respective purchase prices were allocated to the assets acquired and liabilities assumed based on the estimated fair values at the date of acquisition. The excess of the purchase price over the fair value of the net assets acquired was allocated to goodwill and represents the future economic benefits arising from other assets acquired, which cannot be individually identified or separately recognized. Under the acquisition method of accounting for business combinations, if there are changes to acquired deferred tax balances, valuation allowances or liabilities related to uncertain tax positions during the measurement period, and they are related to new information obtained about facts and circumstances that existed as of the acquisition date, those changes are considered a measurement-period adjustment, with the offset recorded to goodwill.

Postec

The Company completed the acquisition of Postec, Inc. ("Postec") on September 1, 2021, by acquiring 100% of its membership interests for $14.0 million, net of cash acquired. The purchase was funded with cash on hand. This acquisition enables the boarding of the vendor’s customers on the Company’s end-to-end acquiring solution and empowers the Company’s distribution partners to sign the vendor’s customer accounts and leverage the combined expertise to handle all aspects of installation, service, and support, similar to the hospitality technology vendor acquired in October 2020.

The following table summarizes the fair value assigned to the assets acquired and liabilities assumed at the acquisition date. These amounts reflect various preliminary fair value estimates and assumptions, and are subject to change within the measurement period as valuations are finalized. The primary areas of preliminary purchase price allocation subject

14

to change relate to the valuation of accounts receivable, accrued expenses and other current liabilities assumed and residual goodwill.

Cash	$	1.7
Accounts receivable	1.2
Prepaid expenses and other current assets	0.3
Inventory	0.6
Other intangible assets	5.6
Property, plant and equipment	0.3
Goodwill (a)	10.3
Accounts payable	(1.0)
Deferred revenue	(2.8)
Other accrued expenses	(0.5)
Net assets acquired	15.7
Less: cash acquired	(1.7)
Net assets acquired	$	14.0

(a)Goodwill is deductible for tax purposes.

During both the three and nine months ended September 30, 2021, the Company incurred expenses in connection with the Postec acquisition of $0.3 million. These expenses are included in “Professional fees” in the unaudited Condensed Consolidated Statements of Operations.

The fair values of intangible assets were estimated using inputs classified as Level 3 under the income approach using either the relief-from-royalty method (developed technology, trademarks and trade names) or the multi-period excess earnings method (customer relationships). The transaction was taxable for income tax purposes. The weighted average life of trademarks and trade names and customer relationships is 2 years and 11 years, respectively. The goodwill arising from the acquisition largely consists of revenue synergies associated with a larger total addressable market, the ability to cross-sell existing customers, new customers and technology capabilities.

The Postec acquisition did not have a material impact on the Company’s consolidated financial statements. Accordingly, revenue and expenses related to the acquisition and pro forma financial information have not been presented.

VenueNext

The Company completed the acquisition of VenueNext Inc. (“VenueNext”), a leader in integrated payments solutions in sporting arenas and event complexes, on March 3, 2021, for $66.9 million, by acquiring 100% of VenueNext’s membership interests. This acquisition enhances the Company’s presence and capabilities in a number of large and growing verticals such as stadiums and arenas, while significantly expanding its total addressable market with entry into entertainment, universities, theme parks, airports, and other verticals. The purchase price included the following forms of consideration:

Cash	$	42.2
Shares of Class A common stock (a)	24.5
RSUs granted for fair value of equity-based compensation awards (b)	1.8
Total purchase consideration	68.5
Less: cash acquired	(1.6)
Total purchase consideration, net of cash acquired	$	66.9

(a)Total purchase consideration includes 345,423 shares of common stock. As of September 30, 2021, 341,924 shares of common stock have been issued.

(b)The Company assumed all equity awards held by continuing employees. The portion of the fair value of the equity-based compensation awards associated with prior service of VenueNext employees represents a component of the total consideration as presented above and was valued based on the fair value of the VenueNext awards on March 3, 2021, the acquisition date.

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The following table summarizes the fair value assigned to the assets acquired and liabilities assumed at the acquisition date. These amounts reflect various preliminary fair value estimates and assumptions, and are subject to change within the measurement period as valuations are finalized. The primary areas of preliminary purchase price allocation subject to change relate to the valuation of accounts receivable, accrued expenses, other current liabilities assumed and residual goodwill.

Accounts receivable	$	0.7
Prepaid expenses and other current assets	0.2
Inventory	0.2
Other intangible assets	19.8
Goodwill (a)	52.7
Accounts payable	(0.9)
Deferred revenue	(5.8)
Net assets acquired	$	66.9

(a)Goodwill is not deductible for tax purposes.

As a result of the adoption of ASC 2021-08 in the third quarter of 2021, the Company retrospectively evaluated the revenue contracts acquired and in the third quarter of 2021 adjusted the preliminary purchase price allocation to reflect an increase to deferred revenue of $5.7 million, of which the Company recognized $2.8 million within "Gross revenue" in the three and nine months ended September 30, 2021. This resulted in corresponding adjustments of $1.3 million in the preliminary fair value assigned to "Other intangible assets" and "Goodwill."

During the nine months ended September 30, 2021, the Company incurred expenses in connection with the VenueNext acquisition of $1.1 million. These expenses are included in “Professional fees” in the unaudited Condensed Consolidated Statements of Operations.

The fair values of intangible assets were estimated using inputs classified as Level 3 under the income approach using either the relief-from-royalty method (developed technology, trademarks and trade names) or the multi-period excess earnings method (customer relationships). The transaction was not taxable for income tax purposes. The weighted average life of developed technology, trademarks and trade names, and customer relationships is 10 years, 10 years and 11 years, respectively. The goodwill arising from the acquisition largely consists of revenue synergies associated with a larger total addressable market, the ability to cross-sell existing customers, new customers and technology capabilities.

The VenueNext acquisition did not have a material impact on the Company’s consolidated financial statements. Accordingly, revenue and expenses related to the acquisition and pro forma financial information have not been presented.

3dcart

The Company completed the acquisition of Infomart2000 Corp., doing business as 3dcart, on November 5, 2020, by acquiring 100% of its membership interests for $39.9 million in cash, net of cash acquired, and approximately $19.2 million in shares of the Company’s Class A common stock. The purchase was funded with cash on hand. Since the acquisition, 3dcart has been rebranded as Shift4Shop to align the eCommerce offering with Shift4’s existing ecosystem of services. The acquisition expanded the Company’s omni-channel transaction capabilities and enabled Shift4Shop merchants to augment their eCommerce platform experience with the Company’s secure integrated payments solutions. In addition, the Company’s indirect sales distribution network is able to offer Shift4Shop’s turnkey eCommerce capabilities to the Company’s new and existing POS and payments customers.

Hospitality Technology Vendor

The Company completed the acquisition of a Hospitality Technology Vendor on October 16, 2020, by acquiring 100% of its membership interests for $9.9 million, net of cash acquired. Subsequently, the total consideration was adjusted to $9.5 million during the measurement period due to a working capital adjustment of $0.4 million, which reduced goodwill. In the second and third quarters of 2021, the Company made measurement period adjustments of $(0.3) million and $2.3 million, respectively, to accounts receivable with corresponding changes to goodwill to reflect the facts and circumstances in existence as of the effective date of the acquisition. The purchase was funded with cash on hand. This acquisition enables the boarding of the vendor’s customers on the Company’s end-to-end acquiring solution

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and empowers the Company’s distribution partners to sign the vendor’s customer accounts and leverage the combined expertise to handle all aspects of installation, service, and support.

3.Revenue

ASC 606: Revenue from Contracts with Customers

Under ASC 606, the Company has three separate performance obligations under its recurring software as a service agreements (“SaaS”) arrangements for point-of-sale systems provided to merchants: (1) point-of-sale software, (2) lease of hardware and (3) other support services. For the period January 1, 2019 through June 29, 2020, the hardware provided under the Company’s SaaS agreements was accounted for as a sales-type lease. Effective June 30, 2020, the Company modified the terms and conditions of its SaaS arrangements and updated its operational procedures. As a result, beginning June 30, 2020, hardware provided under the Company’s SaaS agreements is accounted for as an operating lease. See Note 8 for more information on equipment for lease.

TSYS outage

On August 21, 2021, TSYS, a Global Payments company and an important vendor to the Company, experienced a significant platform outage that resulted in the disruption of payment processing for the Company’s merchants ("TSYS outage"). TSYS is utilized by many major credit card issuers and payment processors, which meant the impact of the outage was felt by many card accepting merchants and cardholders across the nation. In response to the TSYS outage, the Company distributed payments to both merchants and partners in order to alleviate the impact of the outage on their businesses. The following paragraphs describe how these payments are reflected in the Company's condensed consolidated financial statements.

In the third quarter of 2021, the Company distributed $22.4 million in payments to its merchants to approximate the lost revenues they experienced as a result of the TSYS outage. Under ASC 606, these payments were recorded as contra revenue, which is reflected as a reduction of “Gross revenue” in the Company’s unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021.

In the third quarter of 2021, the Company also distributed $2.3 million in payments to its partners to approximate their lost revenues and compensate them for the additional support required from them to manage the outage. Consistent with the treatment of the Company's payments to its partners in the normal course of business, these payments are reflected in “Cost of sales” in the Company’s unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021.

Disaggregated Revenue

Based on similar operational characteristics, the Company’s revenue from contracts with customers is disaggregated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Payments-based revenue (a)	$	346.9	$	196.8	$	887.6	$	494.4
Subscription and other revenues	30.9		18.0		80.5		61.6
Total	$	377.8	$	214.8	$	968.1	$	556.0

Based on similar economic characteristics, the Company’s revenue from contracts with customers is disaggregated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Over-time revenue (a)	$	366.9	$	210.3	$	938.2	$	533.8
Point-in-time revenue	10.9		4.5		29.9		22.2
Total	$	377.8	$	214.8	$	968.1	$	556.0

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(a) For the three and nine months ended September 30, 2021, payments-based revenue includes nonrecurring payments of $22.4 million the Company made to merchants related to the TSYS outage that are treated as contra revenue and as such reduce payments-based revenue.

Contract Liabilities

The Company charges merchants for various post-contract license support/service fees and annual regulatory compliance fees. These fees typically relate to a period of one year. The Company recognizes the revenue on a straight-line basis over its respective period. As of September 30, 2021 and December 31, 2020, the Company had deferred revenue of $19.4 million and $8.1 million, respectively. The change in the contract liabilities is primarily the result of a timing difference between payment from the customer and the Company’s satisfaction of each performance obligation.

The following reflects the amounts the Company recognized as annual service fees and regulatory compliance fees within “Gross revenue” in the unaudited Condensed Consolidated Statements of Operations and the amount of such fees that was included in deferred revenue at the beginning of the respective period.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Annual service fees and regulatory compliance fees	$	8.8	$	3.5	$	18.9	$	10.3
Amount of these fees included in deferred revenue at beginning of period	4.4		2.6		4.4		3.3

Accounts Receivable

The change in the Company’s allowance for doubtful accounts was as follows:

	September 30, 2021		September 30, 2020
Beginning balance	$	5.7	$	2.5
Additions to expense (a)	10.3		6.2
Write-offs, net of recoveries and other adjustments	(2.6)		(2.8)
Ending balance	$	13.4	$	5.9

(a)Includes a $5.5 million allowance on chargebacks from a single merchant recorded during the nine months ended September 30, 2021, which is included in “Cost of Sales” on the unaudited Condensed Consolidated Statements of Operations.

4.Restructuring

The following table summarizes the changes in the Company’s restructuring accrual:

Balance at December 31, 2020	$	2.9
Severance payments	(1.2)
Accretion of interest (a)	0.2
Balance at September 30, 2021	$	1.9

(a)Accretion of interest is included within “Restructuring expenses” in the unaudited Condensed Consolidated Statements of Operations.

The Company recognized restructuring expenses associated with a historical acquisition of $0.1 million and $0.2 million for the three and nine months ended September 30, 2021, respectively, and $0.1 million and $0.4 million for the three and nine months ended September 30, 2020, respectively.

The current portion of the restructuring accrual of $1.5 million and $1.4 million at September 30, 2021 and December 31, 2020, respectively, is included within “Accrued expenses and other current liabilities” on the Company's unaudited Condensed Consolidated Balance Sheets. The long-term portion of the restructuring accrual of $0.4 million and $1.5 million at September 30, 2021 and December 31, 2020, respectively, is included within “Other noncurrent liabilities” on the Company's unaudited Condensed Consolidated Balance Sheets.

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Of the $1.9 million restructuring accrual outstanding as of September 30, 2021, approximately $0.4 million is expected to be paid in 2021 and $1.6 million in 2022, less accreted interest of $0.1 million.

5.Goodwill

The changes in the carrying amount of goodwill were as follows:

Balance at December 31, 2020	$	477.0
VenueNext acquisition (Note 2)	52.7
Postec acquisition (Note 2)	10.3
Hospitality Technology Vendor measurement period adjustments (Note 2)	(2.4)
Balance at September 30, 2021	$	537.6

6.Other Intangible Assets, Net

Other intangible assets, net consisted of the following:

	Weighted Average Amortization Period (in years)	September 30, 2021
		Carrying Value		Accumulated Amortization		Net Carrying Value
Merchant relationships	8	$	200.1	$	126.7	$	73.4
Acquired technology	9	113.2		51.7		61.5
Trademarks and trade names	18	20.3		3.4		16.9
Capitalized software development costs	4	36.2		7.9		28.3
Residual commission buyouts (a)	3	13.2		5.0		8.2
Total intangible assets		$	383.0	$	194.7	$	188.3

	Weighted Average Amortization Period (in years)	December 31, 2020
		Carrying Value		Accumulated Amortization		Net Carrying Value
Merchant relationships	8	$	185.8	$	106.5	$	79.3
Acquired technology	9	105.1		42.2		62.9
Trademarks and trade names	9	57.4		39.1		18.3
Noncompete agreements	2	3.9		3.9		—
Capitalized software development costs	4	25.1		5.8		19.3
Leasehold interest	2	0.1		0.1		—
Residual commission buyouts (a)	3	20.0		13.5		6.5
Total intangible assets		$	397.4	$	211.1	$	186.3

(a)Residual commission buyouts include contingent payments of $3.9 million and $3.4 million as of September 30, 2021 and December 31, 2020, respectively.

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As of September 30, 2021, the estimated amortization expense for intangible assets for each of the five succeeding years and thereafter is as follows:

2021 (remaining three months)	$	14.1
2022	43.6
2023	30.9
2024	25.8
2025	23.2
Thereafter	50.7
Total	$	188.3

Amounts charged to expense in the unaudited Condensed Consolidated Statements of Operations for amortization of intangible assets were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Depreciation and amortization expense	$	8.2	$	9.8	$	27.7	$	28.7
Cost of sales	4.9		3.3		14.1		10.2
Total	$	13.1	$	13.1	$	41.8	$	38.9

7.Capitalized Acquisition Costs, Net

Capitalized acquisition costs, net were $34.3 million and $30.2 million at September 30, 2021 and December 31, 2020, respectively. This consists of upfront processing bonuses with a gross carrying value of $65.2 million and $55.7 million and less accumulated amortization of $30.9 million and $25.5 million at September 30, 2021 and December 31, 2020, respectively.

Capitalized acquisition costs had a weighted average amortization period of three years at both September 30, 2021 and December 31, 2020. Amortization expense for capitalized acquisition costs is $5.4 million and $15.5 million for the three and nine months ended September 30, 2021, respectively, and $4.2 million and $11.2 million for the three and nine months ended September 30, 2020, respectively, and is included in “Cost of sales” in the unaudited Condensed Consolidated Statements of Operations.

As of September 30, 2021, the estimated future amortization expense for capitalized acquisition costs is as follows:

2021 (remaining three months)	$	5.4
2022	17.1
2023	9.8
2024	2.0
Total	$	34.3

8.Equipment for Lease, Net

Equipment for lease, net consisted of the following:

	Weighted Average Depreciation Period (in years)	September 30, 2021
		Carrying Value		Accumulated Depreciation		Net Carrying Value
Equipment under lease	3	$	65.5	$	18.5	$	47.0
Equipment held for lease (a)	N/A	9.3		—		9.3
Total equipment for lease		$	74.8	$	18.5	$	56.3

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	Weighted Average Depreciation Period (in years)	December 31, 2020
		Carrying Value		Accumulated Depreciation		Net Carrying Value
Equipment under lease	3	$	36.5	$	6.9	$	29.6
Equipment held for lease (a)	N/A	7.0		—		7.0
Total equipment for lease, net		$	43.5	$	6.9	$	36.6

(a)Represents equipment that was not yet initially deployed to a merchant and, accordingly, is not being depreciated.

The amount charged to “Depreciation and amortization expense” in the unaudited Condensed Consolidated Statements of Operations for depreciation of equipment under lease was $5.8 million and $15.4 million for the three and nine months ended September 30, 2021, respectively, and $5.7 million for both the three and nine months ended September 30, 2020. Effective June 30, 2020, the Company modified the terms and conditions of its SaaS arrangements and updated its operational procedures. As a result, beginning June 30, 2020, hardware provided under the Company’s SaaS agreements is accounted for as an operating lease.

9.Property, Plant and Equipment, Net

Property, plant and equipment, net consisted of the following:

	September 30, 2021		December 31, 2020
Equipment	$	11.4	$	16.0
Capitalized software	8.5		8.7
Leasehold improvements	8.5		11.6
Furniture and fixtures	2.0		3.1
Vehicles	0.3		0.2
Total property and equipment, gross	30.7		39.6
Less: Accumulated depreciation	(12.9)		(24.5)
Total property, plant and equipment, net	$	17.8	$	15.1

Amounts charged to expense in the unaudited Condensed Consolidated Statements of Operations for depreciation of property, plant and equipment were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Depreciation and amortization expense	$	1.0	$	0.8	$	2.8	$	2.7
Cost of sales	0.5		0.4		1.3		1.2
Total depreciation expense	$	1.5	$	1.2	$	4.1	$	3.9

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10.Debt

The Company’s outstanding debt consisted of the following:

	September 30, 2021		December 31, 2020
Convertible Notes due 2025 (2025 Convertible Notes)	$	690.0	$	577.5
Convertible Notes due 2027 (2027 Convertible Notes)	632.5		—
Senior Notes due 2026 (2026 Senior Notes)	450.0		450.0
Other financing arrangements	—		0.9
Total borrowings	1,772.5		1,028.4
Less: Current portion of debt	—		(0.9)
	1,772.5		1,027.5
Less: Unamortized capitalized financing costs	(35.7)		(22.1)
Total long-term debt	$	1,736.8	$	1,005.4

Amortization of capitalized financing fees is included in “Interest expense” within the unaudited Condensed Consolidated Statements of Operations. Amortization expense was $1.7 million and $4.1 million for the three and nine months ended September 30, 2021, respectively, and $0.8 million and $2.9 million for the three and nine months ended September 30, 2020, respectively.

Convertible Notes due 2025

In December 2020, Shift4 Payments, Inc. issued an aggregate principal amount of $690.0 million of convertible senior notes due 2025 (“2025 Convertible Notes”) in an offering to qualified institutional buyers exempt from registration under the Securities Act. The Company received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $673.6 million from the 2025 Convertible Notes Offering. The 2025 Convertible Notes do not bear regular interest and will mature on December 15, 2025 unless earlier repurchased, redeemed or converted. The Company will settle conversions by paying in cash up to the principal amount of the 2025 Convertible Notes with any excess to be paid or delivered, as the case may be, in cash or shares of Class A common stock or a combination of both at its election, based on the conversion rate. The initial conversion rate for the 2025 Convertible Notes is 12.4262 shares of Class A common stock per $1,000 principal amount of 2025 Convertible Notes (equivalent to an initial conversion price of approximately $80.48 per share of Class A common stock), subject to customary adjustments upon the occurrence of specified events. Before September 15, 2025, noteholders will have the right to convert their 2025 Convertible Notes under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ended March 31, 2021 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2025 Convertible Notes for each trading day of the 2025 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2025 Convertible Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. From and after September 15, 2025, holders may convert their 2025 Convertible Notes at any time at their election until the close of business on the second scheduled trading day immediately before the maturity date. Upon conversion of the 2025 Convertible Notes, the Company will pay in cash the principal amount of the 2025 Notes with any excess to be paid or delivered, as the case may be, in cash or shares of the Company’s Class A common stock or a combination of both at the Company’s election. The 2025 Convertible Notes will be redeemable, in whole or in part, for cash at the Company’s option at any time, and from time to time, on or after December 20, 2023 and on or before the 40th scheduled trading day immediately before the maturity date, but only if the last reported sale price per share of the Company’s Class A common stock exceeds 130% of the conversion price for a specified period of time. The redemption price will be equal to the principal amount of the 2025 Convertible Notes to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the redemption date. Upon the occurrence of a “fundamental change,” which term includes certain change of control transactions, the Company must offer to repurchase the 2025 Convertible Notes at a price equal to 100% of their principal amount, plus accrued and unpaid special interest, if any, to, but not including, the date of repurchase. In addition, if a “make-whole

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fundamental change” occurs prior to the maturity date or if the Company delivers a notice of redemption, the Company will, in certain circumstances, increase the conversion rate for a holder who elects to convert its 2025 Convertible Notes in connection with such make-whole fundamental change or notice of redemption, as the case may be.

In connection with the issuance of the 2025 Convertible Notes, Shift4 Payments, Inc. entered into an Intercompany Convertible Note with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2025 Convertible Notes to Shift4 Payments, LLC in the amount of $673.6 million. The terms of the Intercompany Convertible Note mirror the terms of the 2025 Convertible Notes issued by Shift4 Payments, Inc. The intent of the Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement.

As of December 31, 2020, in accounting for the issuance of the 2025 Convertible Notes, the Company separated the 2025 Convertible Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar debt instrument that does not have an associated convertible feature. The carrying amount of the equity component representing the conversion option was $114.2 million and was determined by deducting the fair value of the liability component from the par value of the 2025 Convertible Notes.

Debt issuance costs related to the 2025 Convertible Notes are comprised of discounts and commissions paid to the initial purchasers and third-party offering costs and total $16.4 million. As of December 31, 2020, the Company allocated the total amount incurred to the liability and equity components of the 2025 Note based on their relative values. Issuance costs attributable to the equity component were netted with the equity component in stockholders’ equity.

The Company adopted ASU 2020-06 on January 1, 2021 using the modified retrospective transition method. As of December 31, 2020, the Company recorded a discount on the 2025 Convertible Notes of $111.5 million related to the separation of the conversion feature. This discount was removed upon adoption of this ASU. The adoption of ASU 2020-06 resulted in a decrease to additional paid-in capital of $111.5 million, a decrease to retained deficit of $1.6 million, and a net increase to long-term debt of $109.9 million.

The net carrying amount of the 2025 Convertible Notes was as follows:

	September 30, 2021		December 31, 2020
Principal outstanding	$	690.0	$	690.0
Unamortized debt discount	—		(112.5)
Unamortized debt issuance costs	(13.7)		(13.5)
Net carrying value	$	676.3	$	564.0

The debt issuance costs are amortized to interest expense over the term of the 2025 Convertible Notes at an effective interest rate of 0.48%.

Convertible Notes due 2027

In July 2021, Shift4 Payments, Inc. issued an aggregate principal amount of $632.5 million 0.50% Convertible Senior Notes due 2027 (“2027 Convertible Notes”) in an offering to qualified institutional buyers exempt from registration under the Securities Act. The Company received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $617.7 million from the 2027 Convertible Notes Offering. The 2027 Convertible Notes are the Company’s senior, unsecured obligations and are equal in right of payment with the Company’s existing and future senior, unsecured indebtedness, senior in right of payment to the Company’s future indebtedness that is expressly subordinated to the 2027 Convertible Notes and effectively subordinated to the Company’s existing and future secured indebtedness, to the extent of the value of the collateral securing that indebtedness. The 2027 Convertible Notes are structurally subordinated to all existing and future indebtedness and other liabilities, including trade payables, and (to the extent the Company is not a holder thereof) preferred equity, if any, of the Company’s subsidiaries.

The 2027 Convertible Notes bear regular interest of 0.50% per year, payable semi-annually in arrears on February 1 and August 1 of each year, beginning on February 1, 2022. The 2027 Convertible Notes will mature on August 1, 2027, unless earlier repurchased, redeemed or converted. Before May 1, 2027, noteholders will have the right to convert their 2027 Convertible Notes only upon the occurrence of certain events. From and after May 1, 2027, noteholders may convert their 2027 Convertible Notes at any time at their election until the close of business on the second scheduled trading day immediately before the maturity date. The Company will settle conversions by paying in

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cash up to the principal amount of the 2027 Convertible Notes with any excess to be paid or delivered, as the case may be, in cash or shares of Class A common stock or a combination of both at its election, based on the conversion rate. The initial conversion rate is 8.1524 shares of Class A common stock per $1,000 principal amount of 2027 Convertible Notes (equivalent to an initial conversion price of approximately $122.66 per share of Class A common stock), subject to customary adjustments upon the occurrence of specified events. Before May 1, 2027, holders will have the right to convert their 2027 Convertible Notes under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ended September 30, 2021 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2027 Convertible Notes for each trading day of the 2027 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2027 Convertible Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. From and after May 1, 2027, holders may convert their 2027 Convertible Notes at any time at their election until the close of business on the second scheduled trading day immediately before the maturity date.

In addition, if certain corporate events that constitute a “make-whole fundamental change” occur, then the conversion rate will, in certain circumstances, be increased for a specified period of time. The 2027 Convertible Notes will be redeemable, in whole or in part, at the Company’s option at any time, and from time to time, on or after August 6, 2024 and on or before the 40th scheduled trading day immediately before the maturity date, at a cash redemption price equal to the principal amount of the 2027 Convertible Notes to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the redemption date, but only if the last reported sale price per share of the Company’s Class A common stock exceeds 130% of the conversion price on (i) each of at least 20 trading days, whether or not consecutive, during the 30 consecutive trading days ending on, and including, the trading day immediately before the date the Company sends the related redemption notice; and (2) the trading day immediately before the date the Company sends such notice. In addition, calling any 2027 Convertible Note for redemption will constitute a make-whole fundamental change with respect to that 2027 Convertible Note, in which case the conversion rate applicable to the conversion of that 2027 Convertible Note will be increased in certain circumstances if it is converted after it is called for redemption and prior to the second business day immediately before the related redemption date. If certain corporate events that constitute a “fundamental change” occur, then, subject to a limited exception for certain cash mergers, noteholders may require the Company to repurchase their 2027 Convertible Notes at a cash repurchase price equal to the principal amount of the 2027 Convertible Notes to be repurchased, plus accrued and unpaid special interest, if any, to, but excluding, the fundamental change repurchase date. The definition of fundamental change includes certain business combination transactions involving the Company and certain de-listing events with respect to the Company’s Class A common stock.

In connection with the issuance of the 2027 Convertible Notes, Shift4 Payments, Inc. entered into an Intercompany Convertible Note with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2027 Convertible Notes to Shift4 Payments, LLC in the amount of $617.7 million. The terms of the Intercompany Convertible Note mirror the terms of the 2027 Convertible Notes issued by Shift4 Payments, Inc. The

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intent of the Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement.

Debt issuance costs related to the 2027 Convertible Notes are comprised of discounts and commissions paid to the initial purchasers and third-party offering costs and total $14.8 million. The net carrying amount of the 2027 Convertible Notes was as follows:

	September 30, 2021
Principal outstanding	$	632.5
Unamortized debt issuance costs	(14.5)
Net carrying value	$	618.0

The debt issuance costs are amortized to interest expense over the term of the 2027 Convertible Notes at an effective interest rate of 0.89%.

Senior Notes due 2026

In October 2020, the Company’s subsidiaries Shift4 Payments, LLC and Shift4 Payments Finance Sub, Inc. (together, the “Issuers”) issued an aggregate of $450.0 million principal amount of 4.625% Senior Notes due 2026 (“2026 Senior Notes”). The Company received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $442.8 million from the 2026 Senior Notes Offering. The net proceeds of the 2026 Senior Notes Offering, together with cash on hand, were used to repay the remaining $450.0 million left on the First Lien Term Loan Facility. The 2026 Senior Notes mature on November 1, 2026, and accrue interest at a rate of 4.625% per year. Interest on the 2026 Senior Notes is payable semi-annually in arrears on each May 1 and November 1, commencing on May 1, 2021. The Issuers may redeem all or a portion of the 2026 Senior Notes at any time prior to November 1, 2022 at a redemption price equal to 100% of the principal amount of the 2026 Senior Notes, plus the applicable “make-whole” premium as provided in the indenture governing the 2026 Senior Notes, plus accrued and unpaid interest, if any, to, but excluding, the redemption date. At any time on or after November 1, 2022, the Issuers may redeem all or a portion of the 2026 Senior Notes at the redemption prices set forth in the indenture governing the 2026 Senior Notes, plus accrued and unpaid interest, if any, to but excluding, the date of redemption. In addition, at any time prior to November 1, 2022, the Issuers may also redeem up to 40% of the original aggregate principal amount of the 2026 Senior Notes (including any additional 2026 Senior Notes) with the proceeds of certain equity offerings, at a redemption price equal to 104.625% of the principal amount of the 2026 Senior Notes, plus accrued and unpaid interest, if any to the redemption date. The Issuers may make such redemption so long as, after giving effect to any such redemption, at least 50% of the original aggregate principal amount of the 2026 Senior Notes (including any additional 2026 Senior Notes) remains outstanding (unless all 2026 Senior Notes are redeemed concurrently) and such redemption occurs not less than 10 days nor more than 60 days prior notice to the holders of the 2026 Senior Notes.

The 2026 Senior Notes have not been registered under the Securities Act of 1933, as amended (“Securities Act”), or the securities laws of any other jurisdiction. The 2026 Senior Notes were sold to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A and outside the United States pursuant to Regulation S of the Securities Act.

First Lien and Second Lien Term Loan Facility

As of December 31, 2019, Shift4 Payments, LLC had borrowings of $650.0 million in aggregate principal amount of secured term loans comprised of first lien term loans of $520.0 million due November 30, 2024 (“First Lien Term Loan Facility”) and second lien term loans of $130.0 million due November 30, 2025 (“Second Lien Term Loan Facility”). Interest with respect to the First Lien Term Loan Facility was payable quarterly in arrears at a rate of LIBOR plus 4.50% per annum. Interest with respect to the Second Lien Term Loan Facility was payable quarterly in arrears at a rate of LIBOR plus 8.50% per annum. The interest rate was determined based on Shift4 Payments, LLC first lien leverage ratio for the preceding fiscal quarter. Additional details on the credit agreement governing the First Lien Term Loan Facility are provided below under the heading “Revolving Credit Facility”.

In June 2020, the Company made $59.8 million in principal payments on the First Lien Term Loan Facility and repaid in full the $130.0 million outstanding under the Second Lien Term Loan Facility. In connection with these payments, the Company incurred a loss on extinguishment of debt of $7.1 million representing the unamortized capitalized financing costs associated with the prepaid debt, which was recorded to “Loss on extinguishment of debt” in the unaudited Condensed Consolidated Statements of Operations in the three and nine months ended September 30, 2020.

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In October 2020, the Company fully repaid the First Lien Term Loan Facility, as discussed above, using the proceeds from the 2026 Senior Notes.

Revolving Credit Facility

The credit agreement governing the First Lien Term Loan Facility (“First Lien Credit Agreement”) included a revolving credit facility that had a borrowing capacity of $90.0 million (“Revolving Credit Facility”), with a maturity date of November 30, 2022. The Company was in compliance with these covenants at December 31, 2020.

Loans incurred under the Revolving Credit Facility bore interest at the Company’s option at either the LIBO rate plus a margin ranging from 4.00% to 4.50% per year or the alternate base rate plus a margin ranging from 3.00% to 3.50% per year. The interest rate varied depending on the Company’s first lien leverage ratio. The alternate base rate and the LIBO rate were each subject to a zero percent floor.

The Revolving Credit Facility unused commitment fee ranged from 0.25% to 0.50%. The applicable margin and unused commitment fee were determined based on the Company’s first lien net leverage ratio at the previously reported fiscal quarter.

In the first quarter of 2020, the Company drew $68.5 million under the Revolving Credit Facility for general corporate purposes and to strengthen its financial position amid the COVID-19 pandemic. In June 2020, the Company repaid the outstanding borrowings of $89.5 million under the Revolving Credit Facility. Borrowing capacity on the Revolving Credit Facility was $89.5 million as of December 31, 2020, net of a $0.5 million letter of credit.

Amended and Restated Revolving Credit Facility

On January 29, 2021, the Company amended and restated its First Lien Credit Agreement (“Amended Credit Agreement”) and increased the borrowing capacity under the Revolving Credit Facility to $100.0 million, of which $25.0 million is available for letters of credit. Subject to certain exceptions, all obligations under the First Lien Term Credit Agreement were repaid in full and all commitments thereunder terminated in connection with the Amended Credit Agreement. In connection with the amendment, the Company incurred a loss on extinguishment of debt of $0.2 million, representing unamortized capitalized financing costs, which was recorded to “Loss on extinguishment of debt” in the unaudited Condensed Consolidated Statements of Operations in the three and nine months ended September 30, 2021.

The Revolving Credit Facility matures on January 29, 2026, or, if greater than $150.0 million aggregate principal amount of the Company’s 2025 Convertible Notes remains outstanding on September 15, 2025, on that date.

The Amended Credit Agreement requires periodic interest payments until maturity. The Company may prepay all revolving loans under the Amended Credit Agreement at any time without premium or penalty (other than customary LIBO rate breakage costs), subject to certain notice requirements. The Company may also be subject to mandatory prepayments if the Revolving Credit Exposure exceeds the Revolving Credit Commitments under the Revolving Credit Facility.

Loans incurred under the Revolving Credit Facility bear interest at the Company’s option at either the LIBO rate plus a margin ranging from 3.00% to 3.50% per year or the alternate base rate (the highest of the Federal Funds rate plus 0.50%, or the prime rate announced from time to time in The Wall Street Journal) plus a margin ranging from 2.00% to 2.50% per year (such margins being referred to as the “Applicable Rate”). The Applicable Rate varies depending on the Company’s total leverage ratio (as defined in the Amended Credit Agreement). The alternate base rate and the LIBO rate are each subject to a zero percent floor.

In addition, the Company is required to pay a commitment fee under the Revolving Credit Facility in respect of the unutilized commitments thereunder at a rate ranging from 0.25% per year to 0.50% per year, in each case based on the total leverage ratio. The Company is also subject to customary letter of credit and agency fees.

Borrowings under the Amended Credit Agreement are guaranteed by each of the Company’s current and future direct and indirect wholly owned domestic subsidiaries, subject to certain customary exceptions as set forth in the Amended Credit Agreement. The obligations under the Amended Credit Agreement are secured by a first priority lien on substantially all the property and assets (real and personal, tangible and intangible) of the Company and the other guarantors, subject to certain customary exceptions.

The Amended Credit Agreement requires compliance with certain financial covenants, including a maximum secured leverage ratio, tested quarterly when the loans and certain letters of credit outstanding under the revolving credit facility exceed 35% of the total revolving commitments. In addition, the Amended Credit Agreement contains various

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covenants that, among other restrictions, limit the Company’s and its subsidiaries’ ability to incur indebtedness; incur certain liens; consolidate, merge or sell or otherwise dispose of assets; alter the business conducted by the Company and its subsidiaries; make investments, loans, advances, guarantees and acquisitions; enter into sale and leaseback transactions; pay dividends or make other distributions on equity interests, or redeem, repurchase or retire equity interests; enter into transactions with affiliates; enter into agreements restricting the ability to pay dividends; redeem, repurchase or refinance other indebtedness; and amend or modify governing documents. The Company was in compliance with these covenants at September 30, 2021.

The Amended Credit Agreement contains events of default that are customary for a secured credit facility. If an event of default relating to bankruptcy or other insolvency events with respect to a borrower occurs, all obligations under the Amended Credit Agreement will immediately become due and payable. If any other event of default exists under the Amended Credit Agreement, the lenders may accelerate the maturity of the obligations outstanding under the Amended Credit Agreement and exercise other rights and remedies, including charging a default rate of interest equal to 2.00% per year above the rate that would otherwise be applicable. In addition, if any event of default exists under the Amended Credit Agreement, the lenders may commence foreclosure or other actions against the collateral.

Borrowing capacity on this Revolving Credit Facility was $99.5 million as of September 30, 2021, net of a $0.5 million letter of credit.

The 2025 Convertible Notes, 2026 Senior Notes, 2027 Convertible Note and Revolving Credit Facility include certain restrictions on the ability of Shift4 Payments, LLC to make loans, advances, or pay dividends to Shift4 Payments, Inc.

11.Other Consolidated Balance Sheet Components

Prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following:

	September 30, 2021		December 31, 2020
Prepaid insurance	$	4.5	$	2.5
Prepaid merchant signing bonuses (a)	1.4		—
Other prepaid expenses (b)	5.8		6.5
Taxes receivable	1.1		1.2
Agent and employee loan receivables	0.2		0.3
Other current assets	0.2		1.0
Total prepaid expenses and other current assets	$	13.2	$	11.5

(a)Represents deal bonuses paid to merchants to obtain processing contracts, which are amortized over their contractual term of one year.

(b)Includes prepayments related to information technology, rent, tradeshows and conferences.

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Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consisted of the following:

	September 30, 2021		December 31, 2020
Residuals payable	$	12.1	$	6.8
Accrued interest	9.2		3.6
Deferred employer social security tax pursuant to the CARES Act	3.0		3.0
Deferred tenant reimbursement allowance	2.8		3.1
Accrued payroll	2.3		2.8
Escrow payable	—		2.3
Accrued rent	1.5		1.5
Taxes payable	1.3		1.4
Restructuring accrual	1.5		1.4
Other current liabilities	3.7		4.2
Total accrued expenses and other current liabilities	$	37.4	$	30.1

12.Fair Value Measurement

U.S. GAAP defines a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted process in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements).

The Company determines the fair values of its assets and liabilities that are recognized or disclosed at fair value in accordance with the hierarchy described below. The following three levels of inputs may be used to measure fair value:

•Level 1—Quoted prices in active markets for identical assets or liabilities;

•Level 2—Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities;

•Level 3—Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Level 3 assets and liabilities include items where the determination of fair value requires significant management judgment or estimation.

The Company makes recurring fair value measurements of contingent liabilities arising from certain acquisitions using Level 3 unobservable inputs. These amounts relate to a change of control provision and expected earnout payments related to the number of existing point-of-sale merchants that convert to full acquiring merchants.

The contingent liability related to a change of control was measured on the acquisition date using a Monte Carlo simulation model based on expected possible valuations of the Company upon a change of control and is remeasured at each reporting date due to changes in management’s expectations regarding possible future valuations of the Company, including considerations of changes in results of the Company, guideline public company multiples, and expected volatility. The contingent liability related to change of control was settled for 915,503 shares of Class A common stock in conjunction with the IPO.

The contingent liabilities arising from expected earnout payments were measured on the acquisition date using a probability-weighted expected payment model and were remeasured periodically due to changes in management’s estimates of the number of existing point-of-sale merchants that will convert to full acquiring merchants. In determining the fair value of the contingent liabilities, management reviewed the current results of the acquired business, along with projected results for the remaining earnout period, to calculate the expected earnout payment to be made using the agreed upon formula as laid out in the respective acquisition agreement. The earnout liabilities were fully paid at March 31, 2021.

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The table below provides a reconciliation of the beginning and ending balances for the Level 3 contingent liabilities:

	Nine Months Ended September 30,
	2021		2020
Balance at beginning of period	$	—	$	32.3
Additions (a)	—		1.7
Cash payments made for contingent liabilities related to earnout payments	(0.2)		(2.3)
Contingent liabilities related to change of control settled with Class A common stock and restricted stock units	—		(23.2)
Fair value adjustments	0.2		(7.6)
Balance at end of period	$	—	$	0.9

(a)During the three months ended March 31, 2020, certain employment compensation agreements were amended. Consequently, previously recorded deferred compensation liabilities of $1.9 million associated with these agreements, included within “Other noncurrent liabilities” on the Consolidated Balance Sheet at December 31, 2019, were derecognized and new liabilities of $1.7 million were recognized at fair value within “Other noncurrent liabilities” on the unaudited Condensed Consolidated Balance Sheets. These contingent liabilities were settled at the IPO for 89,842 restricted stock units.

Fair value adjustments are recorded within “General and administrative expenses” within the unaudited Condensed Consolidated Statements of Operations. There were no transfers into or out of Level 3 during the nine months ended September 30, 2021 and 2020.

The estimated fair value of the Company's outstanding debt using quoted prices from over-the-counter markets, considered Level 2 inputs, was as follows.

	September 30, 2021				December 31, 2020
	Carrying Value		Fair Value		Carrying Value		Fair Value
2025 Convertible Notes	$	690.0	$	835.4	$	690.0	$	843.9
2026 Senior Notes	450.0		470.8		450.0		468.0
2027 Convertible Notes	632.5		647.5		—		—
Total	$	1,772.5	$	1,953.7	$	1,140.0	$	1,311.9

Other financial instruments not measured at fair value on the Company’s unaudited Condensed Consolidated Balance Sheets at September 30, 2021 and December 31, 2020 include cash and cash equivalents, accounts receivable, prepaid expenses and other current assets, other noncurrent assets, accounts payable, and accrued expenses and other current liabilities as their estimated fair values reasonably approximate their carrying value as reported on the unaudited Condensed Consolidated Balance Sheets.

13.Income Taxes

The Company holds an economic interest in Shift4 Payments, LLC and consolidates its financial position and results. The remaining ownership of Shift4 Payments, LLC not held by the Company is considered a noncontrolling interest. Shift4 Payments, LLC is treated as a partnership for income tax reporting and its members, including the Company, are liable for federal, state, and local income taxes based on their share of the LLC’s taxable income. In addition, Shift4 Corporation and VenueNext, Inc., two operating subsidiaries of Shift4 Payments, LLC, are considered C-Corporations for U.S. federal, state and local income tax purposes. Taxable income or loss from Shift4 Corporation and VenueNext is not passed through to Shift4 Payments, LLC. Instead, it is taxed at the corporate level subject to the prevailing corporate tax rates.

The Company has assessed the realizability of the net deferred tax assets and in that analysis has considered the relevant positive and negative evidence available to determine whether it is more likely than not that some portion or all of the deferred tax assets will be realized. The Company has recorded a full valuation allowance against the deferred tax assets at Shift4 Payments, Inc. as of September 30, 2021, which will be maintained until there is sufficient evidence to support the reversal of all or some portion of these allowances.

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The Company’s effective tax rate was 7.8% and (6.7)% for the three months ended September 30, 2021 and 2020, respectively, and (6.4)% and (1.1)% for the nine months ended September 30, 2021 and 2020, respectively. The income tax expense for the three months ended September 30, 2021 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest and changes in the valuation allowances in the United States. The income tax benefit for the nine months ended September 30, 2021 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest, changes in the valuation allowances in the United States and the tax windfall related to vested equity-based compensation awards. The income tax benefit for the three and nine months ended September 30, 2020 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest and changes in the valuation allowances in the United States. In addition, the nine months ended September 30, 2020 includes a tax benefit of $0.6 million for a net operating loss carryback at Shift4 Corporation which was allowed due to the CARES Act.

Tax Receivable Agreement

The Company expects to obtain an increase in its share of the tax basis in the net assets of Shift4 Payments, LLC as LLC Interests are redeemed from or exchanged by the Continuing Equity Owners at the option of the Company, determined solely by the Company’s independent directors. The Company intends to treat any redemptions and exchanges of LLC Interests as direct purchases of LLC Interests for U.S. federal income tax purposes. These increases in tax basis may reduce the amounts that it would otherwise pay in the future to various tax authorities. In connection with the Reorganization Transactions and the IPO, the Company entered into the Tax Receivable Agreement (“TRA”) with the Continuing Equity Owners.

The TRA provides for the payment by Shift4 Payments, Inc. of 85% of the amount of any tax benefits the Company actually realizes, or in some cases is deemed to realize, as a result of (i) increases in the Company’s share of the tax basis in the net assets of Shift4 Payments, LLC resulting from any redemptions or exchanges of LLC Interests, (ii) tax basis increases attributable to payments made under the TRA, and (iii) deductions attributable to imputed interest pursuant to the TRA. The Company expects to benefit from the remaining 15% of any of cash savings that it realizes.

The Company has not recognized any liability under the TRA after concluding it was not probable that such TRA Payments would be paid based on its estimates of future taxable income. No payments were made to the Continuing Equity Owners pursuant to the TRA during the three or nine months ended September 30, 2021. The amounts payable under the TRA will vary depending upon a number of factors, including the amount, character, and timing of the taxable income of Shift4 Payments, Inc. in the future. If the valuation allowance recorded against the deferred tax assets applicable to the tax attributes referenced above is released in a future period, the TRA liability may be considered probable at that time and recorded within earnings.

If all of the remaining Continuing Equity Owners were to exchange all of their LLC Units, the Company does not expect the deferred tax asset or TRA liability to vary substantially from the amounts reported in the 2020 Form 10-K. The actual amount of deferred tax assets and related liabilities are impacted by the timing of the exchanges, the valuation of Shift4 Corporation, the price of the Company’s shares of Class A common stock at the time of the exchange, and the tax rates then in effect.

14.Operating Lease Agreements

The Company has leases under noncancellable agreements which expire on various dates through November 30, 2030.

Total rent expense, which is included in “General and administrative expenses” in the unaudited Condensed Consolidated Statements of Operations, was $1.5 million and $4.4 million for the three and nine months ended September 30, 2021, respectively, and $1.3 million and $4.7 million for the three and nine months ended September 30, 2020, respectively.

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The following are the future minimum rental payments required under the operating leases as of September 30, 2021:

2021 (remaining three months)	$	1.6
2022	4.9
2023	4.0
2024	3.9
2025	3.4
Thereafter	6.9
Total	$	24.7

The Company expects to receive future minimum lease payments for hardware provided under the Company’s SaaS agreements of $10.3 million from October 1, 2021 through September 30, 2022. See Note 8 for more information on the accounting for these operating leases.

15.Related Party Transactions

The Company has a service agreement with the Founder, including access to aircrafts and a property. Total expense for this service, which is included in “General and administrative expenses” in the unaudited Condensed Consolidated Statements of Operations, was $0.2 million and $0.7 million for the three and nine months ended September 30, 2021, respectively, and $0.2 million for the nine months ended September 30, 2020. There were no amounts outstanding at September 30, 2021 or December 31, 2020. On May 31, 2020, the Company amended the monthly fee and added services in this service agreement with the Founder.

Shift4 Payments, LLC incurred management fees to its respective shareholders, prior to the IPO, which is included in “Professional fees” in the unaudited Condensed Consolidated Statements of Operations, of $0.8 million for the nine months ended September 30, 2020.

The Company incurred $1.2 million and $1.0 million in costs associated with the September 2020 and December 2020 Follow-on Offerings, respectively, that were reimbursable by Searchlight, and were included in “Accounts receivable, net” in the Consolidated Balance Sheets at December 31, 2020. The total receivable of $2.2 million was paid in the first quarter of 2021. In the third quarter of 2021, the Company incurred $0.6 million in costs associated with a proposed Follow-on Offering that are reimbursable by Searchlight and included in "Accounts receivable, net" on the Company's unaudited Condensed Consolidated Balance Sheets at September 30, 2021.

In February 2021, the Company accepted the transfer of the right to select a participant for one seat on board Inspiration4, the first all-civilian mission to space, from the Founder, who is also the commander of the mission. The right was transferred to the Company as a non-cash contribution and recorded at its estimated fair value of $2.1 million in “Additional paid-in capital” on the Company’s unaudited Condensed Consolidated Balance Sheets as of September 30, 2021, and expensed within “Advertising and marketing” on the Company's unaudited Condensed Consolidated Statements of Operations in March 2021 when the participant was selected for the mission through a contest held by the Company.

In the six months ended June 30, 2021, the Company incurred a significant amount of nonrecurring expenses to integrate, rebrand and promote 3dcart to Shift4Shop in conjunction with the Inspiration4 announcement. The Company leveraged this unique opportunity to deploy Shift4Shop and promote the Shift4 brand as a whole. A portion of these expenses represented a combined marketing and promotion effort designed to bring attention to both Shift4Shop and the Inspiration4 mission. Management performed a review of the expenses and determined that certain expenses, totaling $0.8 million for the six months ended June 30, 2021, respectively, were directly associated with the Inspiration4 mission and were reimbursed by the Founder. During the three months ended September 30, 2021, an additional $0.4 million of Inspiration4 expenses were incurred on behalf of the Founder, which, as of September 30, 2021, are recorded as "Accounts receivable" on the Company's unaudited Condensed Consolidated Balance Sheets.

Rook entered into a margin loan agreement in September 2020, (“September 2020 Margin Loan”), pursuant to which it pledged LLC Interests and shares of the Company’s Class A and Class B common stock (collectively, “Rook Units”) to secure a margin loan. The September 2020 Margin Loan was repaid in March 2021.

Rook entered into a margin loan agreement, replacing the September 2020 Margin Loan, in March 2021 (“March 2021 Margin Loan”), pursuant to which it pledged Rook Units to secure a margin loan. If Rook were to default on its obligations under the margin loan and fail to cure such default, the lender would have the right to exchange and sell up to 10,000,000 Rook units for an equal number of the Company’s Class A common stock to satisfy Rook’s obligation.

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In March 2021, the Founder, through a wholly-owned special purpose vehicle (“SPV”), entered into a variable prepaid forward contract (“VPF Contract”) with an unaffiliated dealer (“Dealer”), covering approximately 2.0 million shares of the Company’s Class A common stock. The VPF Contract is scheduled to settle on specified dates in February, March and April 2023, at which time the actual number of shares of the Company’s Class A common stock to be delivered by the SPV will be determined based on the price of the Company’s Class A common stock on such dates relative to the forward floor price of $73.19 per share and the forward cap price of $137.24 per share, with the aggregate number not to exceed approximately 2.0 million shares, which is the number of shares of Company’s Class B common stock and LLC units pledged by Rook to secure its obligations under the contract. Subject to certain conditions, the SPV can also elect to settle the VPF Contract in cash and thereby retain full ownership of the pledged shares and units.

In September 2021, the Founder, through the SPV, entered into two VPF Contracts with a Dealer, one covering approximately 2.18 million shares of the Company’s Class A common stock and the other covering approximately 2.26 million shares of the Company’s Class A common stock. The VPF Contracts are both scheduled to settle on specified dates in June, July, August and September 2024, at which time the actual number of shares of the Company’s Class A common stock to be delivered by the SPV will be determined based on the price of the Company’s Class A common stock on such dates relative to the forward floor price of approximately $66.4240 per share and the forward cap price of approximately $112.09 per share for the contract covering approximately 2.18 million shares of the Company’s Class A common stock, and to the forward floor price of $66.4240 per share and the forward cap price of approximately $120.39 per share for the contract covering approximately 2.26 million shares of the Company’s Class A common stock, with the aggregate number not to exceed approximately 4.44 million shares, which is the aggregate number of shares of Company’s Class B common stock and their associated common units of Shift4 Payments, LLC pledged by the SPV to secure its obligations under the contracts. Subject to certain conditions, the SPV can also elect to settle the VPF Contracts in cash and thereby retain full ownership of the pledged shares and units.

If Rook were to default on its obligations under the VPF Contracts and fail to cure such default, the Dealer would have the right to exchange the pledged Class B stock and LLC interests for an equal number of the Company’s Class A common stock, and sell such Class A common stock to satisfy Rook’s obligation.

16.Commitments and Contingencies

From time to time, the Company may become involved in various lawsuits and legal proceedings, which arise, in the ordinary course of business. However, litigation is subject to inherent uncertainties, and an adverse result in these, or other matters, may arise from time to time that may harm the Company’s business. In August 2021, TSYS, a Global Payments company and an important vendor to the Company, experienced a significant platform outage resulting in a payment processing service disruption that lasted for several hours. TSYS is utilized by many major credit card issuers and payment processors, which meant the impact of the outage was felt by many card accepting merchants and cardholders across the nation. The Company took steps to lessen the financial impact to its merchants and partners due to the TSYS outage and is seeking compensation through a variety of channels, including engaging with the responsible party. The Company is currently not aware of any other legal proceedings or claims that the Company believes will have a material adverse effect on its business, financial condition or operating results.

17.Redeemable Preferred Units

The redeemable preferred units earned a preferred dividend, which could be paid in cash or preferred units at a rate of 10.50% per annum, compounded quarterly.

During the nine months ended September 30, 2020, $2.1 million of preferred dividends were accrued and recognized as a reduction of “Members’ Deficit.” In connection with the Reorganization Transactions, the redeemable preferred units were converted into LLC Interests.

18.Stockholders’ Equity/Members’ Deficit

Structure prior to the Reorganization Transactions

Prior to the completion of the Reorganization Transactions, Shift4 Payments, LLC had LLC Interests outstanding in the form of Class A Common units and Class B Common units.

Immediately prior to the completion of the Reorganization Transactions, the LLC Interests of Shift4 Payments, LLC were beneficially owned as set forth below.

•Searchlight owned 28,889,790 Class A units, representing 52.3% economic interest in Shift4 Payments, LLC.

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•Rook owned 25,829,016 Class A units, representing 46.7% economic interest in Shift4 Payments, LLC.

•A former equity owner owned 528,150 Class B units, representing 1.0% economic interest in Shift4 Payments, LLC.

Amendment and Restatement of Certificate of Incorporation

In connection with the Reorganization Transactions, the Company’s certificate of incorporation was amended and restated to, among other things, provide for the (i) authorization of 300,000,000 shares of Class A common stock with a par value of $ 0.0001 per share; (ii) authorization of 100,000,000 shares of Class B common stock with a par value of $ 0.0001 per share; (iii) authorization of 100,000,000 shares of Class C common stock with a par value of $ 0.0001 per share; and (iv) authorization of 20,000,000 shares of preferred stock with a par value of $ 0.0001 per share.

Holders of Class A common stock are entitled to one vote per share and holders of Class B and Class C common stock are entitled to ten votes per share. Holders of Class A, Class B, and Class C common stock will vote together as a single class on all matters presented to the Company’s stockholders for their vote of approval, except for certain amendments to the Company’s Certificate of Incorporation or as otherwise required by law. Holders of the Class A and Class C common stock are entitled to receive dividends, and upon the Company’s dissolution or liquidation, after payment in full of all amounts required to be paid to creditors and to the holders of preferred stock having liquidation preferences, if any, the holders of shares of Class A and Class C common stock will be entitled to receive pro rata the Company’s remaining assets available for distribution. Holders of the Company’s Class B common stock are not entitled to receive dividends and will not be entitled to receive any distributions upon dissolution or liquidation of the Company. Holders of Class A, Class B, and Class C common stock do not have pre-emptive or subscription rights, and there will be no redemption or sinking fund provisions applicable to any class of common stock. Holders of Class A and Class B common stock do not have conversion rights. Shares of Class C common stock can only be held by the Continuing Equity Owners or their permitted transferees, and if any such shares are transferred to any other person, they will automatically convert into shares of Class A common stock on a one-to-one basis.

Shares of Class B common stock will be issued in the future only to the extent necessary to maintain a one-to-one ratio between the number of LLC Interests held by the Continuing Equity Owners and the number of shares of Class B common stock issued to each of the Continuing Equity Owners. Shares of Class B common stock are transferable only together with an equal number of LLC Interests (subject to certain exceptions). Only permitted transferees of LLC Interests held by the Continuing Equity Owners will be permitted transferees of Class B common stock.

19.Noncontrolling Interests

Shift4 Payments, Inc. is the sole managing member of Shift4 Payments, LLC, and consolidates the financial results of Shift4 Payments, LLC. The noncontrolling interests balance represents the economic interest in Shift4 Payments, LLC held by the Continuing Equity Owners. The following table summarizes the ownership of LLC Interests in Shift4 Payments, LLC:

	LLC Interests			Ownership percentage
	Shift4 Payments, Inc.	Continuing Equity Owners	Total	Shift4 Payments, Inc.		Continuing Equity Owners		Total
Balances at December 31, 2020	49,926,802	30,625,857	80,552,659	62.0	%	38.0	%	100.0	%
Issuance of LLC units	2,368,493	—	2,368,493	1.0	%	(1.0	%)	—
Redemption of LLC units	4,353,203	(4,353,203)	—	5.3	%	(5.3	%)	—
Balances at September 30, 2021	56,648,498	26,272,654	82,921,152	68.3	%	31.7	%	100.0	%

The Continuing Equity Owners have the right to require the Company to redeem their LLC Interests for, at the option of the Company, determined solely by the Company’s independent directors, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each LLC Interest redeemed. In connection with the exercise of the redemption or exchange of LLC Interests (1) the Continuing Equity Owners will be required to surrender a number of shares of Class B common stock registered in the name of such redeeming or exchanging Continuing Equity Owner (or its applicable affiliate), which the Company will cancel for no consideration on a one-for-one basis with the number of LLC Interests so redeemed or exchanged and (2) all redeeming members will surrender LLC Interests to Shift4 Payments, LLC for cancellation.

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20.Equity-based Compensation

2020 Incentive Award Plan

In June 2020, the Company adopted the 2020 Incentive Award Plan (“2020 Plan”), which provides for the grant of stock options, restricted stock dividend equivalents, stock payments, Restricted Stock Units (“RSUs”), Performance Restricted Stock Units (“PRSUs”), stock appreciation rights, and other stock or cash awards. A maximum of 7,159,924 shares of the Company’s common stock is available for issuance under the 2020 Plan. The number of shares available for issuance is subject to an annual increase on the first day of each year beginning in 2021 and ending in and including 2030, equal to the lesser of (1) 1% of the shares outstanding (on an as-converted basis, taking into account any and all securities convertible into, or exercisable, exchangeable or redeemable for, shares of Common Stock (including LLC Interests of Shift4 Payments, LLC)) on the last day of the immediately preceding fiscal year and (2) such smaller number of shares as determined by the Company’s board of directors.

RSUs and PRSUs

RSUs represent the right to receive shares of the Company’s Class A common stock at a specified date in the future.

RSU activity for the nine months ended September 30, 2021 was as follows:

	Nine Months Ended September 30, 2021
	Number of RSUs	Weighted Average Grant Date Fair Value
Unvested balance at beginning of period	4,840,508	$	24.35
Granted (a)	165,751	$	74.97
Vested	(3,262,321)	$	23.09
Forfeited or cancelled	(18,206)	$	45.07
Unvested balance at end of period	1,725,732	$	31.33

(a)Includes 77,326 RSUs not subject to continued service, which vested immediately in March 2021 and 35,973 RSUs issued in connection with the VenueNext acquisition, which vest at anniversary dates ranging from six months to two years.

The grant date fair value of RSUs and PRSUs subject to continued service or those that vest immediately was determined based on the price of the Company’s Class A common stock on the grant date (or, in the case of the RSUs granted in connection with the IPO, the IPO price of $23.00 per share). The grant date fair value of the RSUs issued in connection with the IPO, that are not subject to continued service, was determined using the Finnerty discount for lack of marketability pricing model, taking into account the vesting provisions on the shares prior to June 2021.

The Company recognized equity-based compensation expense of $6.3 million and $26.9 million for the three and nine months ended September 30, 2021 and $6.2 million and $56.2 million for the three and nine months ended September 30, 2020, respectively. At September 30, 2021, the total unrecognized equity-based compensation expense related to outstanding RSUs and PRSUs was $39.2 million, which is expected to be recognized over a weighted-average period of 1.82 years.

21.Basic and Diluted Net Loss per Share

The following table presents the calculation of basic and diluted net loss per share for the periods following the Reorganization Transactions under the two-class method.

Basic and diluted net loss per share of the Company is calculated for the Company's current outstanding classes of common stock. Prior to the Reorganization Transactions, the Shift4 Payments, LLC membership structure included Class A Common units and Class B Common units. Certain of these units were exchanged for Class A and Class C common stock of the Company in the Reorganization Transactions, but not in a proportionate manner, with the remaining units reflecting a noncontrolling interest in the Company. The basic and diluted net loss per share for the

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nine months ended September 30, 2020 represents only the period from June 5, 2020 to September 30, 2020, the period where the Company had outstanding Class A and Class C common stock.

Basic net loss per share has been computed by dividing net loss attributable to common shareholders by the weighted average number of shares of common stock outstanding for the same period. Shares issued during the period and shares reacquired during the period are weighted for the portion of the period in which the shares were outstanding. Diluted net loss per share has been computed in a manner consistent with that of basic net loss per share while giving effect to all shares of potentially dilutive common stock that were outstanding during the period.

	Three Months Ended September 30, 2021		Three Months Ended September 30, 2020		Nine Months Ended September 30, 2021		June 5, 2020 through September 30, 2020
Net loss	$	(13.8)	$	(9.8)	$	(60.3)	$	(11.8)
Less: Net loss attributable to noncontrolling interests	(4.6)		(4.8)		(21.5)		(5.8)
Net loss attributable to Shift4 Payments, Inc.	$	(9.2)	$	(5.0)	$	(38.8)	$	(6.0)
Adjustment to net loss attributable to common stockholders	(0.1)		(0.1)		(0.6)		(0.2)
Net loss attributable to common stockholders	$	(9.3)	$	(5.1)	$	(39.4)	$	(6.2)
Numerator - Basic and Diluted:
Net loss attributable to common stockholders	$	(9.3)	$	(5.1)	$	(39.4)	$	(6.2)
Allocation of net loss among common stockholders:
Net loss allocated to Class A common stock	$	(8.2)	$	(2.8)	$	(33.5)	$	(3.3)
Net loss allocated to Class C common stock	$	(1.1)	$	(2.3)	$	(5.9)	$	(2.9)
Denominator - Basic and Diluted:
Weighted average shares of Class A common stock outstanding	49,692,599		23,309,247		46,251,576		22,363,399
Weighted average shares of Class C common stock outstanding	6,117,997		19,222,017		8,078,943		19,424,100
Net loss per share - Basic and Diluted:
Class A common stock	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)
Class C common stock	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)

The following were excluded from the calculation of diluted net loss per share as the effect would be anti-dilutive.

	Three months ended September 30, 2021	Three months ended September 30, 2020	Nine months ended September 30, 2021	June 5, 2020 through September 30, 2020
LLC Interests that convert into potential Class A common shares	27,115,975	35,567,488	28,806,699	35,567,488
RSUs and performance RSUs - employee	1,712,790	2,171,660	1,712,790	2,171,660
RSUs - non-employee directors	12,942	46,170	12,942	46,170
2025 Convertible Notes	46,130	—	49,281	—
Total	28,887,837	37,785,318	30,581,712	37,785,318

In addition, the Company has excluded from the calculation of diluted net loss per share the effect of the conversion of the 2027 Notes, as the last reported sales price of the Company's common stock was not greater than or equal to 130% of the conversion price for 20 trading days during a period of 30 consecutive trading days during the quarter ended September 30, 2021, per the terms of the agreement. As discussed in Note 10, the Company will pay in cash the $632.5 million principal of the 2027 Notes with any excess to be paid or delivered in cash or shares of the Company's Class A common stock or a combination of both at the Company's election.

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22.Supplemental Cash Flows Information

Supplemental cash flows disclosures and noncash information consisted of the following:

	Nine Months Ended September 30,
	2021		2020
Cash paid for interest	$	10.5	$	33.0
Cash paid for income taxes, net of refunds	0.4		0.8
Noncash operating activities
Deferred compensation settled with restricted stock units	—		2.1
Noncash investing activities
Shares and equity-based compensation awards issued in connection with VenueNext acquisition	26.3		—
Equipment for lease	4.6		—
Capitalized software development costs	1.6		—
Capitalized acquisition costs	0.4		—
Noncash financing activities
Contingent consideration settled with Class A common stock	—		21.1
Right associated with Inspiration4 seat	2.1		—
Short-term financing for directors and officers insurance	—		3.4
Preferred return on preferred stock settled with LLC Interests	—		2.3
Offering costs not yet paid	—		0.8

23.Segments

Operating segments are defined as components of an enterprise for which discrete financial information is available that is evaluated regularly by the Chief Operating Decision Maker (“CODM”) for the purposes of allocating resources and evaluating financial performance. The Company’s CODM is the chief executive officer, who reviews financial information on a consolidated level for purposes of allocating resources and evaluating financial performance, and as such, the Company’s operations constitute one operating segment and one reportable segment.

The following table summarizes gross revenue by revenue type:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Payments-based revenue (a)	$	346.9	$	196.8	$	887.6	$	494.4
Subscription and other revenues	30.9		18.0		80.5		61.6
Total gross revenue	377.8		214.8		968.1		556.0
Less: network fees	251.9		127.1		608.4		321.8
Less: Other costs of sales (b)	61.5		36.2		165.4		107.7
Gross profit	$	64.4	$	51.5	$	194.3	$	126.5

(a) For the three and nine months ended September 30, 2021, payments-based revenue includes nonrecurring payments of $22.4 million the Company made to merchants related to the TSYS outage that are treated as contra revenue and as such reduce payments-based revenue. See Note 3 for more information about the TSYS outage.

(b) For the three and nine months ended September 30, 2021, other costs of sales includes nonrecurring payments of $2.3 million the Company made to partners related to the TSYS outage. See Note 3 for more information about the TSYS outage.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the information presented in unaudited condensed consolidated financial statements and related notes included elsewhere in this Quarterly Report on Form 10-Q, as well as our audited consolidated financial statements and related notes as disclosed in our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the Securities and Exchange Commission (“SEC”) on March 8, 2021 (“2020 Form 10-K”). The following discussion and analysis reflects the historical results of operations and financial position of Shift4 Payments, LLC and its consolidated subsidiaries prior to the Reorganization Transactions (as defined below) on June 4, 2020 and that of Shift4 Payments, Inc. and its consolidated subsidiaries (including Shift4 Payments, LLC) following the completion of the Reorganization Transactions. In addition to historical information, the following discussion contains forward-looking statements, such as statements regarding our expectation for future performance, liquidity and capital resources, that involve risks, uncertainties and assumptions that could cause actual results to differ materially from our expectations. Our actual results may differ materially from those contained in or implied by any forward-looking statements. Factors that could cause such differences include those identified below and those described in “Cautionary Note Regarding Forward-Looking Statements,” and “Risk Factors” in Part I, Item 1A of the 2020 Form 10-K. We assume no obligation to update any of these forward-looking statements.

As used in this Quarterly Report on Form 10-Q, unless the context otherwise requires, references to:

•“we,” “us,” “our,” the “Company,” “Shift4” and similar references refer: (1) following the consummation of the Reorganization Transactions, to Shift4 Payments, Inc., and, unless otherwise stated, all of its subsidiaries, including Shift4 Payments, LLC and, unless otherwise stated, all of its subsidiaries, and (2) prior to the completion of the Reorganization Transactions, to Shift4 Payments, LLC and, unless otherwise stated, all of its subsidiaries.

•“Continuing Equity Owners” refers collectively to Searchlight, our Founder and their respective permitted transferees that own LLC Interests after the Reorganization Transactions and who may redeem at each of their options, in whole or in part from time to time, their LLC Interests for, at our election, cash or newly-issued shares of Shift4 Payments, Inc.’s Class A common stock.

•“LLC Interests” refers to the common units of Shift4 Payments, LLC, including those that we purchased directly from Shift4 Payments, LLC with the proceeds from our initial public offering (“IPO”) and the concurrent private placement and the common units of Shift4 Payments, LLC that we acquired from the Former Equity Owners in connection with the consummation of the Reorganization Transactions. See the section entitled “Initial public offering and concurrent private placement” below.

•“Founder” refers to Jared Isaacman, our Chief Executive Officer and the sole stockholder of Rook Holdings Inc. Our Founder is a Continuing Equity Owner and an owner of Class C common stock.

•“Former Equity Owner” refers to FPOS Holding Co., Inc. who exchanged its LLC Interests for shares of our Class A common stock in connection with the consummation of the Reorganization Transactions.

•“Reorganization Transactions” refer to certain organizational transactions that we effected in connection with our IPO in June 2020. See the section entitled “Reorganization Transactions” below.

•“Rook” refers to Rook Holdings Inc., a Delaware corporation wholly-owned by our Founder and for which our Founder is the sole stockholder.

•“Searchlight” refers to Searchlight Capital Partners, L.P., a Delaware limited partnership, and certain funds affiliated with Searchlight. Searchlight is a Continuing Equity Owner and an owner of Class C common stock.

Overview

We are a leading independent provider of payment processing and technology solutions in the United States based on total volume of payments processed. We have achieved our leadership position through decades of solving business and operational challenges facing our customers. For our software partners, we offer a single integration to an end-to-end payments offering, a proprietary gateway and a robust suite of technology solutions to enhance the value of their software and simplify payment acceptance. For our merchants, we provide a seamless, unified consumer experience as an alternative to relying on multiple providers to accept payments and utilize technology in their businesses.

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At the heart of our business is our payments platform. Our payments platform is a full suite of integrated payment products and services that can be used across multiple channels (in-store, online, mobile and tablet- based) and industry verticals, including:

•end-to-end payment processing for a broad range of payment types;

•merchant acquiring;

•proprietary omni-channel gateway capable of multiple methods of mobile, contactless and QR code-based payments;

•complementary software integrations;

•full eCommerce capabilities, including web-store design, hosting, shopping cart management and fulfillment integrations;

•integrated and mobile POS solutions;

•security and risk management solutions; and

•reporting and analytical tools.

In addition, we offer innovative technology solutions that go beyond payment processing. Some of our solutions are developed in-house, such as business intelligence and POS software, while others are powered by our network of complementary third-party applications. Our focus on innovation combined with our product-driven culture enables us to create scalable technology solutions that benefit from an extensive library of intellectual property.

We have a partner-centric distribution approach. We market and sell our solutions through a diversified network of over 7,000 software partners, which consists of ISVs and VARs. ISVs are technology providers that develop commerce-enabling software suites with which they can bundle our payments platform. VARs are organizations that provide distribution support for ISVs and act as trusted and localized service providers to merchants by providing them with software and services. Together, our ISVs and VARs provide us immense distribution scale and provide our merchants with front-line service and support.

Our end-to-end payments offering combines our payments platform, including our proprietary gateway and breadth of software integrations, and our suite of technology solutions to create a compelling value proposition for our merchants. Our end-to end payment volume was $13.5 billion and $7.1 billion for the three months ended September 30, 2021 and 2020, respectively, and $33.3 billion and $17.5 billion for the nine months ended September 30, 2021 and 2020, respectively. This end-to-end payment volume contributed approximately 67% and 65% of gross revenue less network fees for the three months ended September 30, 2021 and 2020, respectively, and approximately 66% and 60% of gross revenue less network fees for the nine months ended September 30, 2021 and 2020, respectively.

Our merchants range from small to medium sized businesses to large and complex enterprises across numerous verticals including lodging, leisure, stadiums and arenas, and food and beverage.

Revision of Previously Issued Financial Statements

The accompanying Management’s Discussion and Analysis of Financial Condition and Results of Operations gives effect to the revision of our previously reported consolidated financial statements for the three and nine months ended September 30, 2020. See Note 1 in the notes to the accompanying unaudited condensed consolidated financial statements for more information.

Recent developments

TSYS outage

On August 21, 2021, TSYS, a Global Payments Company and an important vendor to the Company, experienced a significant platform outage that resulted in the disruption of payment processing for our merchants ("TSYS outage"). TSYS is utilized by many major credit card issuers and payment processors, which meant the impact of the outage was felt by many card accepting merchants and cardholders across the nation. In response to the TSYS outage, we distributed payments to both merchants and partners in order to alleviate the impact of the outage on their businesses. The following paragraphs describe how these payments are reflected in our accompanying unaudited condensed consolidated financial statements and disclosures.

In the third quarter of 2021, we distributed $22.4 million in payments to our merchants to approximate the lost revenues they experienced as a result of the TSYS outage. Under ASC 606, these payments were recorded as contra revenue, which is reflected as a reduction of “Gross revenue” in our unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021. These payments are considered nonrecurring and are therefore reflected as an

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adjustment when calculating adjusted EBITDA. In addition, for the three and nine months ended September 30, 2021, gross revenue less network fees excludes the impact of the TSYS outage.

In the third quarter of 2021, we also distributed $2.3 million in payments to our partners to approximate their lost revenues and compensate them for the additional support required from them to manage the outage. Consistent with the treatment of our payments to our partners in the normal course of business, these payments are reflected as an increase to “Cost of sales” in our unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021. These payments are considered nonrecurring and are therefore reflected as an adjustment when calculating adjusted EBITDA.

See Note 3 to the accompanying unaudited condensed consolidated financial statements for more information about the TSYS outage and Key performance indicators and non-GAAP measures for more information about adjusted EBITDA and gross revenue less network fees.

Recent acquisition

Postec

On September 1, 2021, we acquired Postec, Inc ( “Postec”), for approximately $14.0 million in cash, net of cash acquired. This acquisition enables the boarding of the vendor’s customers on our end-to-end acquiring solution and empowers our distribution partners to sign the vendor’s customer accounts and leverage the combined expertise to handle all aspects of installation, service, and support. See Note 2 in the notes to the accompanying unaudited condensed consolidated financial statements for more information.

Reorganization Transactions

The historical results of operations discussed in this “Management’s Discussion and Analysis of Financial Condition and Results of Operations” are those of (1) Shift4 Payments, LLC and its consolidated subsidiaries for periods prior to the Reorganization Transactions on June 4, 2020 and (2) Shift4 Payments, Inc. and its consolidated subsidiaries for periods beginning on or following the Reorganization Transactions on June 4, 2020. The historical results of operations of Shift4 Payments, LLC prior to the completion of the Reorganization Transactions, including the IPO and concurrent private placement, do not reflect certain items that we expect will affect our results of operations and financial condition after giving effect to the Reorganization Transactions and the use of proceeds from the IPO and concurrent private placement.

The Reorganization Transactions resulted in Shift4 Payments, Inc. becoming the sole managing member of Shift4 Payments, LLC. As the sole managing member of Shift4 Payments, LLC, we operate and control all of the business and affairs of Shift4 Payments, LLC. Accordingly, we consolidate the financial results of Shift4 Payments, LLC, and report a noncontrolling interest related to the interests in Shift4 Payments, LLC held by the Continuing Equity Owners on our consolidated financial statements.

After consummation of the IPO, Shift4 Payments, Inc. became subject to U.S. federal, state and local income taxes with respect to our allocable share of any taxable income of Shift4 Payments, LLC and is taxed at the prevailing corporate tax rates. In addition to tax expenses, we also have and will continue to incur public company expenses related to our operations, plus payment obligations under the TRA, which we expect to be significant. We intend for Shift4 Payments, LLC to make to make distributions to us in an amount sufficient to allow us to pay our tax obligations and operating expenses, including distributions to fund any payments due under the TRA.

Initial public offering and concurrent private placement

In June 2020, we completed our IPO of 17,250,000 shares of Class A common stock, including 2,250,000 shares pursuant to the full exercise of the underwriters’ option to purchase additional shares, at a price to the public of $23.00 per share. Upon completion of the IPO, we received net proceeds of approximately $362.6 million, after deducting underwriting discounts and commissions and offering expenses of approximately $34.2 million. Concurrently with the IPO, we also completed a $100.0 million private placement of 4,625,346 shares of Class C common stock to Rook. The total net proceeds from the IPO and concurrent private placement were approximately $462.6 million. Shift4 Payments, Inc. used the total proceeds to purchase newly-issued LLC Interests, from Shift4 Payments, LLC. Shift4 Payments, LLC used these amounts received from Shift4 Payments, Inc. to repay certain existing indebtedness and for general corporate purposes.

Impact of the COVID-19 Pandemic

The unprecedented and rapid spread of COVID-19 as well as the shelter-in-place orders, promotion of social distancing measures, restrictions to businesses deemed non-essential, and travel restrictions implemented throughout the United States

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have significantly impacted the restaurant and hospitality industries – verticals in which we have predominantly focused on over the last decade.

In response to these developments, in 2020 we implemented measures to focus on the safety of our employees, including implementing remote working capabilities, and to support our merchants as they shifted to take-out and delivery operations, while at the same time seeking to mitigate the impact on our financial position and operations.

Our business was not significantly impacted by the COVID-19 pandemic until the latter part of March 2020, at which time our end-to-end payment volumes declined 70%. Since late March 2020 when shelter-in-place, social distancing, the closing of non-essential businesses and other restrictive measures were first put in place across the United States, we have seen a significant recovery in our end-to-end payment volumes despite volumes in certain merchant categories associated with international travel and corporate travel running lower than pre-COVID-19 pandemic levels. End-to-end payment volumes for the third quarter of 2021 were approximately 90% higher than end-to-end payment volumes in the third quarter of 2020 and approximately 14% higher than the second quarter of 2021 as a result of merchants reopening their operations, new merchant onboarding and a growing number of gateway merchants converting to our end-to-end solution in 2021. While gross revenue and end-to-end payment volumes for the three and nine months ended September 30, 2021 have exceeded those for the three and nine months ended September 30, 2020, we will continue to evaluate the nature and extent of potential COVID-19-related impacts to our business, consolidated results of operations, and liquidity. See “Risk Factors” in Part I, Item 1A of our 2020 Form 10-K.

We believe we have sufficient liquidity to satisfy our cash needs for at least the next twelve months, however, we continue to evaluate and take action, as necessary, to preserve adequate liquidity and ensure that our business can continue to operate during these uncertain times.

Factors impacting our business and results of operations

In general, our results of operations are impacted by factors such as adoption of software integrated payment solutions, continued investment in core capabilities, on-going pursuit of strategic acquisitions, and macro-level economic trends.

Increased adoption of software-integrated payments. We primarily generate revenue through volume-based payments and transaction fees and subscription fees for software and technology solutions. We expect to grow this volume by attracting new software partners through our market-leading and innovative solutions. These software partners have proven to be an effective and efficient way of acquiring new merchants and servicing these relationships.

Continued focus on the sale of our end-to-end payments offering and resulting revenue mix shift. Our customers utilize our comprehensive solutions to solve a variety of business challenges. Currently, a large percentage of our merchant base uses only our proprietary gateway. As these merchants adopt our end-to-end payment solutions, our revenue per merchant and merchant retention are expected to increase.

Mix of our merchant base. The revenue contribution of our merchant portfolio is affected by several factors, including the amount of payment volume processed per merchant, the industry vertical in which the merchant operates, and the number of solutions implemented by the merchant. As the size and sophistication of our merchants change, we may experience shifts in the average revenue per merchant and the weighted average pricing of the portfolio.

Ability to attract and retain software partners. A key pillar of our Shift4 Model is our partner-centric distribution approach. We work with our software partners who are essential to helping us grow and serve our merchant base. Maintaining our product leadership and continued investment in innovative technology solutions is critical to attracting and retaining software partners.

Investment in product, distribution and operations. We make significant investments in both new product development and existing product enhancement, such as mobile point-of-sale and cloud enablement for our software partners’ existing systems. New product features and functionality are brought to market through varied distribution and promotional activities including collaborative efforts with industry leading software providers, trade shows, and customer conferences. Further, we will continue to invest in operational support in order to maintain service levels expected by our merchant customers. We believe these investments in product development and software integrations will lead to long-term growth and profitability. For example, numerous new products and enhancements that we introduced continue to allow our merchants the ability to enhance the customer experience in a more dynamic commerce environment through contactless payment methods and QR code based mobile payment technologies.

Pursuit of strategic acquisitions. From time to time, we may pursue acquisitions as part of our ongoing growth strategy. While these acquisitions are intended to add long-term value, in the short term they may add redundant operating expenses or additional carrying costs until the underlying value is unlocked.

Economic conditions and resulting consumer spending trends. Changes in macro-level consumer spending trends, including as a result of the COVID-19 pandemic, could affect the amount of volumes processed on our platform, thus resulting in

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fluctuations to our revenue streams. Further, consumer spending habits are subject to seasonal fluctuations that could cause varied revenue results across the quarters.

Key financial definitions

The following briefly describes the components of revenue and expenses as presented in the accompanying unaudited Condensed Consolidated Statements of Operations.

Gross revenue consists primarily of payments-based revenue and subscription and other revenues:

Payments-based revenue includes fees for payment processing services and gateway services. Payment processing fees are primarily driven as a percentage of payment volume. They may also have a fixed fee, a minimum monthly usage fee and a fee based on transactions. Gateway services, data encryption and tokenization are primarily driven by per transaction fees as well as monthly usage fees. In addition, the three and nine months ended September 30, 2021 include nonrecurring payments of $22.4 million we made to our merchants related to the TSYS outage, described in Recent Developments above, that are treated as contra revenue and as such reduce payments-based revenue.

Subscription and other revenues include software as a service (“SaaS”) fees for point-of-sale systems and terminals provided to merchants and our Shift4Shop eCommerce platform. Point-of-sale and terminal SaaS fees are assessed based on the type and quantity of equipment deployed to the merchant. Shift4Shop SaaS fees are based on the eCommerce platform chosen by the merchant. SaaS fees also include statement fees, fees for our proprietary business intelligence software, annual fees, regulatory compliance fees and other miscellaneous services such as help desk support and warranties on equipment. Subscription and other revenues also includes revenue derived from software license sales, hardware sales, third party residuals and fees charged for technology support.

Cost of sales consists of interchange and processing fees, residual commissions, equipment and other costs of sales:

Interchange and processing fees represent payments to card issuing banks and assessments paid to card associations based on transaction processing volume. These also include fees incurred by third-parties for data transmission and settlement of funds, such as processors and sponsor banks.

Residual commissions represent monthly payments to software partners. These costs are typically based on a percentage of payment-based revenue.

Equipment represents our costs of devices that are purchased by the merchant.

Other costs of sales includes amortization of capitalized software development costs, capitalized software, acquired technology and capitalized customer acquisition costs. It also includes incentives, shipping and handling costs related to the delivery of devices, and through June 30, 2020, contains other contract fulfillment costs as well as equipment provided under our warranty program that is included with the monthly SaaS fee. Subsequent to June 30, 2020, other contract fulfillment costs and equipment under our warranty program included with the monthly SaaS fee are capitalized as equipment for lease. Capitalized software development costs are amortized using the straight-line method on a product-by-product basis over the estimated useful life of the software. Capitalized software, acquired technology and capitalized acquisition costs are amortized on a straight-line basis in accordance with our accounting policies. In addition, the three and nine months ended September 30, 2021 include nonrecurring payments of $2.3 million we made to our partners related to the TSYS outage described in Recent Developments above.

General and administrative expenses consist primarily of compensation, benefits and other expenses associated with corporate management, finance, human resources, shared services, information technology and other activities.

Depreciation and amortization expense consists of depreciation and amortization expenses related to merchant relationships, trademarks and trade names, residual commission buyouts, equipment, leasehold improvements, and other intangible assets and property, plant and equipment. We depreciate and amortize our assets on a straight-line basis in accordance with our accounting policies. Leasehold improvements are depreciated over the lesser of the estimated life of the leasehold improvement or the remaining lease term. Maintenance and repairs, which do not extend the useful life of the respective assets, are charged to expense as incurred. Intangible assets are amortized on a straight-line basis over their estimated useful lives which range from two years to twenty years.

Professional fees consists of costs incurred for accounting, tax, legal, and consulting services.

Advertising and marketing expenses relate to costs incurred to participate in industry tradeshows and dealer conferences, advertising initiatives to build brand awareness, and expenses to fulfill loyalty program rewards earned by software partners.

Restructuring expenses relate to strategic initiatives we have taken that include, but are not limited to, severance or separation costs and other exit and disposal costs. These expenses are typically not reflective of our ongoing operations.

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Other operating (income) expense, net consists of other operating items.

Loss on extinguishment of debt represents losses recorded for unamortized capitalized financing costs associated with debt prepayments.

Other income, net primarily consists of other non-operating items.

Interest expense consists of interest costs incurred on our borrowings and amortization of capitalized financing costs.

Income tax benefit represents federal, state and local taxes based on income in multiple jurisdictions.

Net loss attributable to noncontrolling interests arises from net loss from the non-owned portion of businesses where we have a controlling interest but less than 100% ownership. This represents the noncontrolling interests in Shift4 Payments, LLC and its consolidated subsidiaries, which is comprised of the loss allocated to Continuing Equity Owners as a result of their proportional ownership of LLC Interests.

Comparison of results for the three months ended September 30, 2021 and 2020

The following table sets forth the consolidated statements of operations for the periods presented.

	Three Months Ended September 30,
(in millions)	2021		2020		$ change		% change
Payments-based revenue	$	346.9	$	196.8	$	150.1	76.3	%
Subscription and other revenues	30.9		18.0		12.9		71.7	%
Total gross revenue	377.8		214.8		163.0		75.9	%
Less: network fees	251.9		127.1		124.8		98.2	%
Less: Other costs of sales	61.5		36.2		25.3		69.9	%
Gross profit	64.4		51.5		12.9		25.0	%
General and administrative expenses	48.1		35.4		12.7		35.9	%
Depreciation and amortization expense	15.0		16.2		(1.2)		(7.4)	%
Professional fees	3.3		2.9		0.4		13.8	%
Advertising and marketing expenses	3.5		0.8		2.7		NM
Restructuring expenses	0.1		0.1		—		NM
Total operating expenses	70.0		55.4		14.6		26.4	%
Loss from operations	(5.6)		(3.9)		(1.7)		43.6	%
Other income, net	0.2		0.5		(0.3)		(60.0)	%
Interest expense	(7.4)		(7.1)		(0.3)		4.2	%
Loss before income taxes	(12.8)		(10.5)		(2.3)		21.9	%
Income tax (expense) benefit	(1.0)		0.7		(1.7)		NM
Net loss	(13.8)		(9.8)		(4.0)		40.8	%
Net loss attributable to noncontrolling interests	(4.6)		(4.8)		0.2		(4.2)	%
Net loss attributable to Shift4 Payments, Inc.	$	(9.2)	$	(5.0)	$	(4.2)	84.0	%

The three months ended September 30, 2021 include nonrecurring payments we made in the third quarter of 2021 to our merchants of $22.4 million and partners of $2.3 million due to the TSYS outage and associated costs of $0.4 million. The TSYS outage payments and associated costs had the following impact on our results in our unaudited Condensed Consolidated Statements of Operations for the three months ended September 30, 2021:

•$22.4 million decrease to Payments-based revenue and Gross revenue;

•$2.3 million increase to Other costs of sales;

•$24.9 million decrease to Gross profit; and

•$25.1 million decrease to Loss from operations and Net loss.

See Recent developments above and Note 3 to the accompanying unaudited condensed consolidated financial statements for more information about the TSYS outage.

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Gross Revenue

Gross revenue was $377.8 million for the three months ended September 30, 2021, compared to $214.8 million for the three months ended September 30, 2020, an increase of $163.0 million or 75.9%. Gross revenue is comprised of payments-based revenue, subscription and other revenues and in the three months ended September 30, 2021 includes $22.4 million in payments we made to merchants as a result of the August 2021 TSYS outage discussed in Recent developments above.

Payments-based revenue was $346.9 million for the three months ended September 30, 2021, compared to $196.8 million for the three months ended September 30, 2020, an increase of $150.1 million or 76.3%. The increase in payments-based revenue is primarily driven by an increase in end-to-end payment volume of $6.4 billion, or approximately 90%, for the three months ended September 30, 2021, compared to the three months ended September 30, 2020. The COVID-19 pandemic impacted our end-to-end payment volumes beginning mid-March 2020 when shelter-in-place, social distancing, the closing of non-essential businesses and other restrictive measures were first put in place across the United States. This was partially offset by $22.4 million in payments we made to merchants as a result of the August 2021 TSYS outage discussed in Recent developments above, which were recorded as contra revenue.

Subscription and other revenues were $30.9 million for the three months ended September 30, 2021, compared to $18.0 million for the three months ended September 30, 2020, an increase of $12.9 million or 71.7%. The increase in subscription and other revenues is driven primarily by the 3dcart, VenueNext, hospitality technology vendor and Postec acquisitions which collectively contributed $10.2 million more to subscription and other revenues in the three months ended September 30, 2021, compared to the three months ended September 30, 2020. In addition, software license sales increased $1.3 million for three months ended September 30, 2021, compared to the three months ended September 30, 2020.

Network Fees

Network fees were $251.9 million for the three months ended September 30, 2021, compared to $127.1 million for the three months ended September 30, 2020, an increase of $124.8 million or 98.2%. This increase is correlated with the increase in end-to-end payment volume as described above.

Gross revenue less network fees was $148.3 million for the three months ended September 30, 2021, compared to $87.7 million for the three months ended September 30, 2020, an increase of $60.6 million or 69.1%. For the three months ended September 30, 2021, gross revenue less network fees excludes the $22.4 million impact of the TSYS outage. The increase in gross revenue less network fees is largely correlated with an increase in end-to-end payment volume. See “—Key performance indicators and non-GAAP measures” for a reconciliation of gross profit to gross revenue less network fees.

Other costs of sales

Other costs of sales was $61.5 million for the three months ended September 30, 2021, compared to $36.2 million for the three months ended September 30, 2020, an increase of $25.3 million, or 69.9%. This increase was primarily a result of:

•higher residual commissions, which increased other costs of sales $14.1 million, were driven by the growth in gross revenue less network fees;

•the 3dcart, VenueNext, hospitality technology vendor and Postec acquisitions which collectively increased other cost of sales $3.5 million in the three months ended September 30, 2021;

•payments to partners of $2.3 million, which increased other costs of sales in the three months ended September 30, 2021 due to the TSYS outage discussed in Recent developments above;

•higher capitalized acquisition cost amortization, which increased other costs of sales $1.2 million, related to deal bonuses paid to VARs to obtain processing contracts; and,

•higher capitalized software development amortization, which increased other costs of sales $0.6 million.

Operating expenses

General and administrative expenses. General and administrative expenses were $48.1 million for the three months ended September 30, 2021, compared to $35.4 million for the three months ended September 30, 2020, an increase of $12.7 million or 35.9%. The increase was primarily due to higher employee-related expenses of $7.7 million in the three months ended September 30, 2021, compared to the three months ended September 30, 2020, as a result of our continued growth and expansion. In addition, the acquisitions of VenueNext, 3dcart, a hospitality technology vendor and Postec collectively increased general and administrative expenses $4.9 million in the three months ended September 30, 2021.

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Depreciation and amortization expense. Depreciation and amortization expense was $15.0 million for the three months ended September 30, 2021, compared to $16.2 million for the three months ended September 30, 2020, a decrease of $1.2 million or 7.4%. The decrease was primarily due to certain intangible assets reaching the end of their amortization period.

Professional fees. Professional fees were $3.3 million for the three months ended September 30, 2021, compared to $2.9 million for the three months ended September 30, 2020, an increase of $0.4 million or 13.8%. The increase was due to acquisition-related costs and increased fees related to requirements of operating as a public company.

Advertising and marketing expenses. Advertising and marketing expenses were $3.5 million for the three months ended September 30, 2021, compared to $0.8 million for the three months ended September 30, 2020, an increase of $2.7 million. The increase was partially due to $1.6 million of costs associated with the Inspiration4 seat and higher trade show expenses of $0.5 million in the three months ended September 30, 2021 since trade shows scheduled for the three months ended September 30, 2020 were either postponed or cancelled due to the COVID-19 pandemic. In addition, the VenueNext, 3dcart, hospitality technology vendor and Postec acquisitions collectively increased advertising and marketing expenses $0.5 million in the three months ended September 30, 2021.

Other income, net

Other income, net was $0.2 million for the three months ended September 30, 2021, compared to $0.5 million for the three months ended September 30, 2020, a decrease of $0.3 million or 60.0%. The decrease is primarily driven by unearned contingent liabilities associated with our residual commission buyout agreements in the three months ended September 30, 2020.

Interest expense

Interest expense was $7.4 million for the three months ended September 30, 2021, compared to $7.1 million for the three months ended September 30, 2020, an increase of $0.3 million     or 4.2% driven by higher interest expense of $1.4 million due to the issuance of the convertible senior notes due 2027 (“2027 Convertible Notes”) in July 2021. This is partially offset by the debt refinancing in October 2020, which reduced the interest rate on our First Lien Term Loan Facility from 5.50% to 4.625% on the 2026 Senior Notes, which reduced interest expense by $1.1 million for the three months ended September 30, 2021.

Income tax benefit

The effective tax rate for the three months ended September 30, 2021 was 7.8%, compared to the effective tax rate for the three months ended September 30, 2020 of (6.7)%.

The income tax benefit was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest and changes in the valuation allowances in the United States for both the three months ended September 30, 2021 and September 30, 2020.

Net loss attributable to noncontrolling interests

Net loss attributable to noncontrolling interests of Shift4 Payments, LLC was $(4.6) million for the three months ended September 30, 2021, compared to $(4.8) million for the three months ended September 30, 2020.

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Comparison of results for the nine months ended September 30, 2021 and 2020

The following table sets forth the consolidated statements of operations for the periods presented.

	YTD
(in millions)	2021		2020		$ change		% change
Payments-based revenue	$	887.6	$	494.4	$	393.2	79.5	%
Subscription and other revenues	80.5		61.6		18.9		30.7	%
Total gross revenue	968.1		556.0		412.1		74.1	%
Less: network fees	608.4		321.8		286.6		89.1	%
Less: Other costs of sales	165.4		107.7		57.7		53.6	%
Gross profit	194.3		126.5		67.8		53.6	%
General and administrative expenses	153.3		144.8		8.5		5.9	%
Depreciation and amortization expense	45.9		37.1		8.8		23.7	%
Professional fees	13.0		5.8		7.2		124.1	%
Advertising and marketing expenses	26.1		2.9		23.2		NM
Restructuring expenses	0.2		0.4		(0.2)		(50.0	%)
Other operating (income) expense, net	—		(12.4)		12.4		NM
Total operating expenses	238.5		178.6		59.9		33.5	%
Loss from operations	(44.2)		(52.1)		7.9		(15.2	%)
Loss on extinguishment of debt	(0.2)		(7.1)		6.9		(97.2	%)
Other income, net	0.2		0.6		(0.4)		(66.7	%)
Interest expense	(20.2)		(32.1)		11.9		(37.1	%)
Loss before income taxes	(64.4)		(90.7)		26.3		(29.0	%)
Income tax benefit	4.1		1.0		3.1		NM
Net loss	(60.3)		(89.7)		29.4		(32.8	%)
Net loss attributable to noncontrolling interests (a)	(21.5)		(83.7)		62.2		(74.3	%)
Net loss attributable to Shift4 Payments, Inc.	$	(38.8)	$	(6.0)	$	(32.8)	NM

(a)For the nine months ended September 30, 2020, includes the net loss incurred prior to the Reorganization Transactions and prior to June 4, 2020, the date the SEC declared effective our Registration Statement on Form S-1 filed in connection with our IPO.

The nine months ended September 30, 2021 include nonrecurring payments we made in the third quarter of 2021 to our merchants of $22.4 million and partners of $2.3 million due to the TSYS outage and associated costs of $0.4 million. The TSYS outage payments and associated costs had the following impact on our results in our unaudited Condensed Consolidated Statements of Operations for the nine months ended September 30, 2021:

•$22.4 million decrease to Payments-based revenue and Gross revenue;

•$2.3 million increase to Other costs of sales;

•$24.9 million decrease to Gross profit; and

•$25.1 million decrease to Loss from operations and Net loss.

See Recent developments above and Note 3 to the accompanying unaudited condensed consolidated financial statements for more information about the TSYS outage.

Gross Revenue

Gross revenue was $968.1 million for the nine months ended September 30, 2021, compared to $556.0 million for the nine months ended September 30, 2020, an increase of $412.1 million or 74.1%. Gross revenue is comprised of payments-based revenue and subscription and other revenues and in the nine months ended September 30, 2021 includes $22.4 million in payments we made to merchants as a result of the August 2021 TSYS outage discussed in Recent developments above, which were recorded as contra revenue.

Payments-based revenue was $887.6 million for the nine months ended September 30, 2021, compared to $494.4 million for the nine months ended September 30, 2020, an increase of $393.2 million or 79.5%. The increase in payments-based revenue is primarily driven by the increase in end-to-end payment volume of $15.8 billion, or approximately 90%, for the nine months

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ended September 30, 2021, compared to the nine months ended September 30, 2020. The COVID-19 pandemic impacted our end-to-end payment volumes beginning mid-March 2020 when shelter-in-place, social distancing, the closing of non-essential businesses and other restrictive measures were first put in place across the United States. This was partially offset by $22.4 million in payments we made to merchants as a result of the August 2021 TSYS outage discussed in Recent developments above.

Subscription and other revenues were $80.5 million for the nine months ended September 30, 2021, compared to $61.6 million for the nine months ended September 30, 2020, an increase of $18.9 million or 30.7%. The increase is driven by the 3dcart, VenueNext, hospitality technology vendor and Postec acquisitions which collectively contributed $21.0 million more to subscription and other revenues in the nine months ended September 30, 2021 compared to the nine months ended September 30, 2020. In addition, software license revenue increased $0.6 million from the nine months ended September 30, 2021 as compared to the nine months ended September 30, 2020. This was offset by a decrease in hardware revenue of $2.6 million primarily due to hardware provided under our SaaS arrangements being accounted for as operating leases in the nine months ended September 30, 2021, whereby revenue is recognized monthly, as compared to the nine months ended September 30, 2020, when it was recognized at the time of shipment.

Network Fees

Network fees were $608.4 million for the nine months ended September 30, 2021, compared to $321.8 million for the nine months ended September 30, 2020, an increase of $286.6 million or 89.1%. This increase is correlated with the increase in end-to-end payment volume as described above.

Gross revenue less network fees was $382.1 million for the nine months ended September 30, 2021, compared to $234.2 million for the nine months ended September 30, 2020, an increase of $147.9 million or 63.2%. For the nine months ended September 30, 2021, gross revenue less network fees excludes the $22.4 million impact of the TSYS outage. The increase in gross revenue less network fees is largely correlated with the increase in end-to-end payment volume. See “—Key performance indicators and non-GAAP measures” for a reconciliation of gross profit to gross revenue less network fees.

Other costs of sales

Other costs of sales was $165.4 million for the nine months ended September 30, 2021, compared to $107.7 million for the nine months ended September 30, 2020, an increase of $57.7 million, or 53.6%. This increase was primarily a result of:

•higher residual commissions, which increased other costs of sales $40.8 million, driven by the growth in gross revenue less network fees;

•the 3dcart, VenueNext, hospitality technology vendor and Postec acquisitions, which collectively increased other costs of sales $9.8 million in the three months ended September 30, 2021;

•higher than normal chargeback losses during the nine months ended September 30, 2021 compared to the nine months ended September 30, 2020, driven by the business failure of one merchant causing $5.5 million in estimated unrecoverable chargeback transactions in the nine months ended September 30, 2021;

•higher capitalized acquisition cost amortization, which increased other costs of sales $4.4 million, related to deal bonuses paid to VARs to obtain processing contracts;

•payments to partners of $2.3 million, which increased other costs of sales in the nine months ended September 30, 2021 due to the TSYS outage discussed in Recent developments above; and,

•higher capitalized software development amortization, which increased other costs of sales $1.8 million; partially offset by,

•the impact of modifying the terms and conditions of our SaaS arrangements and updating our operational procedures to account for our hardware as operating leases, which resulted in a decline of $12.6 million in costs of sales. Effective June 30, 2020, equipment leased to merchants is capitalized as a fixed asset, whereas, prior to June 30, 2020, these arrangements were accounted for as sales-type leases and expensed when deployed.

Operating expenses

General and administrative expenses. General and administrative expenses were $153.3 million for the nine months ended September 30, 2021, compared to $144.8 million for the nine months ended September 30, 2020, an increase of $8.5 million or 5.9%. The increase was due to higher employee-related expenses of $23.9 million in the nine months ended September 30,

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2021, compared to the nine months ended September 30, 2020, as a result of our continued growth and expansion. In addition, the recent acquisitions of VenueNext, 3dcart, a hospitality technology vendor and Postec collectively increased general and administrative expenses $16.2 million in the nine months ended September 30, 2021. This was partially offset by lower equity-based compensation expense of $32.2 million in the nine months ended September 30, 2021, compared to the nine months ended September 30, 2020, as a result of compensation expense recognized in the nine months ended September 30, 2020 related to contractual change of control bonuses in connection with the IPO. See Note 20 in the notes to the accompanying unaudited condensed consolidated financial statements for more information on equity-based compensation.

Depreciation and amortization expense. Depreciation and amortization expense was $45.9 million for the nine months ended September 30, 2021, compared to $37.1 million for the nine months ended September 30, 2020, an increase of $8.8 million or 23.7%. The increase was primarily due to hardware provided under our SaaS arrangements being accounted for as operating leases, effective June 30, 2020, while previously they were accounted for as sales-type leases driving higher depreciation expense for the nine months ended September 30, 2021, as compared to the nine months ended September 30, 2020, of $9.7 million. See Note 3 in the notes to the accompanying unaudited condensed consolidated financial statements for more information on the change to the terms and conditions of our SaaS arrangements. In addition, the recent acquisitions of VenueNext, 3dcart, a hospitality technology vendor and Postec collectively increased depreciation and amortization expense $1.9 million in the nine months ended September 30, 2021. This was partially offset by a decline in intangible amortization expense as certain intangible assets reached the end of their amortization period.

Professional fees. Professional fees were $13.0 million for the nine months ended September 30, 2021, compared to $5.8 million for the nine months ended September 30, 2020, an increase of $7.2 million or 124.1%. The increase was due to acquisition-related costs and increased fees related to requirements of operating as a public company.

Advertising and marketing expenses. Advertising and marketing expenses were $26.1 million for the nine months ended September 30, 2021, compared to $2.9 million for the nine months ended September 30, 2020, an increase of $23.2 million. The increase was primarily due to expenses related to the integration of 3dcart and its rebranding as Shift4Shop and $3.7 million of costs associated with the Inspiration4 seat. These expenses are anticipated to be nonrecurring in nature.

Other operating (income) expense, net

Other operating (income) expense, net includes the impact of modifying the terms and conditions of our SaaS arrangements and updating our operational procedures. As a result, beginning June 30, 2020, hardware provided under our SaaS agreements is accounted for as an operating lease, whereas prior to June 30, 2020, these arrangements were accounted for as sales-type leases. An adjustment of $12.4 million was recorded in the second quarter of 2020 to reflect the impact of the lease modifications.

Loss on extinguishment of debt

A loss on extinguishment of debt, representing unamortized capitalized financing costs, of $0.2 million was incurred with the refinancing of the Revolving Credit Facility during the nine months ended September 30, 2021. In connection with the pre-payment of $59.8 million on the First Lien Term Loan Facility and the full repayment of $130.0 million on the Second Lien Term Loan Facility, we incurred a non-cash loss on extinguishment of debt of $7.1 million during the nine months ended September 30, 2020 representing the unamortized capitalized financing costs associated with the debt prepayment. See Note 10 to the accompanying unaudited condensed consolidated financial statements for more information.

Other income, net

Other income, net was $0.2 million for the nine months ended September 30, 2021, compared to $0.6 million for the nine months ended September 30, 2020, a decrease of $0.4 million or 66.7%. The decrease is driven by unearned contingent liabilities associated with our residual commission buyout agreements in 2020.

Interest expense

Interest expense was $20.2 million for the nine months ended September 30, 2021, compared to $32.1 million for the nine months ended September 30, 2020, a decrease of $11.9 million or 37.1%. This decrease in interest expense was primarily due to the pre-payments for the First Lien and Second Lien Term Loan Facilities and the repayment of the Revolving Credit Facility, all of which were completed in June 2020, and impacted interest expense by approximately $9.2 million. In addition, the debt refinancing in October 2020 reduced the interest rate on our First Lien Term Loan Facility from 5.50% to 4.625% on the 2026 Senior Notes, which reduced interest expense by $4.4 million. This was partially offset by an increase in interest expense as a result of the issuance of the 2027 Convertible Notes in July 2021.

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Income tax benefit

The effective tax rate for the nine months ended September 30, 2021 was (6.4)%, compared to the effective tax rate for the nine months ended September 30, 2020 of (1.1)%.

The 2021 income tax benefit was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest, changes in the valuation allowances in the United States and the tax windfall related to vested equity-based compensation awards. The income tax benefit for the nine months ended September 30, 2020 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest, changes in the valuation allowances in the United States and recording a tax benefit of $0.6 million for a net operating loss carryback at Shift4 Corporation which was allowed due to the CARES Act.

Net loss attributable to noncontrolling interests

Net loss attributable to noncontrolling interests of Shift4 Payments, LLC was $(21.5) million for the nine months ended September 30, 2021 compared to $(83.7) million for the nine months ended September 30, 2020. The net loss incurred for the nine months ended September 30, 2020 includes the net loss incurred prior to the Reorganization and prior to June 4, 2020, the date the SEC declared effective our Registration Statement on Form S-1 filed in connection with our IPO.

Key performance indicators and non-GAAP measures

The following table sets forth our key performance indicators and non-GAAP measures for the periods presented.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in millions)	2021		2020		2021		2020
End-to-end payment volume	$	13,457.2	$	7,090.7	$	33,277.9	$	17,476.8
Gross revenue less network fees	148.3		87.7		382.1		234.2
EBITDA	20.4		20.8		32.6		1.1
Adjusted EBITDA	55.8		28.7		123.2		61.0

End-to-end payment volume

End-to-end payment volume is defined as the total dollar amount of card payments that we authorize and settle on behalf of our merchants. This volume does not include volume processed through our gateway-only merchants.

Gross revenue less network fees, EBITDA and Adjusted EBITDA

We use supplemental measures of our performance which are derived from our consolidated financial information but which are not presented in our consolidated financial statements prepared in accordance with GAAP. These non-GAAP financial measures include: gross revenue less network fees, which includes interchange and assessment fees; earnings before interest expense, income taxes, depreciation, and amortization (“EBITDA”); and Adjusted EBITDA. Gross revenue less network fees represents a key performance metric that management uses to measure changes in the mix and value derived from our customer base as we continue to execute our strategy to expand our reach to serve larger, complex merchants. For the three and nine months ended September 30, 2021, gross revenue less network fees excludes the impact of the payments to merchants, included in "Gross revenue," and payments to partners and associated expenses due to the TSYS outage, in both cases included in "Other costs of sales" in our unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021. These are nonrecurring payments that occurred outside of our day-to-day operations, and we have excluded them in order to provide more useful information to investors in the evaluation of our performance period-over-period. Adjusted EBITDA is the primary financial performance measure used by management to evaluate its business and monitor results of operations. Adjusted EBITDA represents EBITDA further adjusted for certain non-cash and other nonrecurring items that management believes are not indicative of ongoing operations. These adjustments include the TSYS outage and associated costs, acquisition, restructuring and integration costs, equity-based compensation expense and other nonrecurring items. The financial impact of certain elements of these activities is often large relative to the Company's overall financial performance and can adversely affect the comparability of our operating results and investors' ability to analyze the business from period to period.

We use non-GAAP financial measures to supplement financial information presented on a GAAP basis. We believe that excluding certain items from our GAAP results allows management to better understand our consolidated financial performance from period to period and better project our future consolidated financial performance as forecasts are developed at a level of

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detail different from that used to prepare GAAP-based financial measures. Moreover, we believe these non-GAAP financial measures provide our stakeholders with useful information to help them evaluate our operating results by facilitating an enhanced understanding of our operating performance and enabling them to make more meaningful period to period comparisons. There are limitations to the use of the non-GAAP financial measures presented in this report. Our non-GAAP financial measures may not be comparable to similarly titled measures of other companies. Other companies, including companies in our industry, may calculate non-GAAP financial measures differently than we do, limiting the usefulness of those measures for comparative purposes.

The non-GAAP financial measures are not meant to be considered as indicators of performance in isolation from or as a substitute for net income (loss) prepared in accordance with GAAP, and should be read only in conjunction with financial information presented on a GAAP basis. Reconciliations of gross revenue less network fees, EBITDA and Adjusted EBITDA to its most directly comparable GAAP financial measure are presented below. We encourage you to review the reconciliations in conjunction with the presentation of the non-GAAP financial measures for each of the periods presented. In future fiscal periods, we may exclude such items and may incur income and expenses similar to these excluded items.

Reconciliations of gross revenue less network fees, EBITDA and Adjusted EBITDA

The tables below provide reconciliations of gross profit to gross revenue less network fees and net loss on a consolidated basis for the periods presented to EBITDA and Adjusted EBITDA.

Gross revenue less network fees:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Gross profit (a) (b)	$	64.4	$	51.5	$	194.3	$	126.5
Add back: Other costs of sales (a)	61.5		36.2		165.4		107.7
Add back: TSYS outage payments (b)	22.4		—		22.4		—
Gross revenue less network fees	$	148.3	$	87.7	$	382.1	$	234.2

(a)Both the three and nine months ended September 30, 2021 include $2.3 million of nonrecurring payments to partners associated with the TSYS outage. See Recent developments above and Note 3 to the accompanying unaudited condensed consolidated financial statements for more information about the TSYS outage.

(b)Both the three and nine months ended September 30, 2021 include $22.4 million of nonrecurring payments to merchants associated with the TSYS outage. See Recent developments above and Note 3 to the accompanying unaudited condensed consolidated financial statements for more information about the TSYS outage.

EBITDA and Adjusted EBITDA:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in millions)	2021		2020		2021		2020
Net loss	$	(13.8)	$	(9.8)	$	(60.3)	$	(89.7)
Interest expense	7.4		7.1		20.2		32.1
Income tax (benefit) provision	1.0		(0.7)		(4.1)		(1.0)
Depreciation and amortization expense	25.8		24.2		76.8		59.7
EBITDA	20.4		20.8		32.6		1.1
TSYS outage payments and associated costs (a)	25.1		—		25.1		—
Acquisition, restructuring and integration costs (b)	4.0		1.7		33.0		4.8
Equity-based compensation (c)	6.6		6.2		32.0		56.2
Impact of lease modifications (d)	—		—		—		(12.4)
Other nonrecurring items (e)	(0.3)		—		0.5		11.3
Adjusted EBITDA	$	55.8	$	28.7	$	123.2	$	61.0

(a)Includes nonrecurring payments we made in the third quarter of 2021 to our merchants of $22.4 million and partners of $2.3 million due to the TSYS outage and other expenses incurred associated with the TSYS outage of $0.4 million. See Recent developments above and Note 3 to the accompanying unaudited condensed consolidated financial statements for more information about the TSYS outage.

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(b)For the three months ended September 30, 2021, consists primarily of $2.0 million of acquisition-related costs and $1.6 million of costs associated with the Inspiration4 seat. For the three months ended September 30, 2020, consists primarily of fair value adjustments to contingent liabilities of $1.1 million. For the nine months ended September 30, 2021, consists primarily of expenses related to the integration of 3dcart and its rebranding as Shift4Shop of $20.4 million, acquisition-related costs incurred of $6.3 million and $3.7 million of costs associated with the Inspiration4 seat. For the nine months ended September 30, 2020, consists primarily of change of control liabilities as a result of the IPO of $10.3 million and deferred compensation arrangements of $2.1 million, offset by fair value adjustments to contingent liabilities of $8.0 million. See Note 12 in the notes to the accompanying unaudited condensed consolidated financial statements for more information on the contingent liability adjustments.

(c)Represents equity-based compensation expense for RSUs, including employer taxes for vested RSUs. See Note 20 in the notes to the accompanying unaudited condensed consolidated financial statements for more information on equity-based compensation.

(d)Effective June 30, 2020, we modified the terms and conditions of our SaaS arrangements and updated our operational procedures. As a result, beginning June 30, 2020, hardware provided under our SaaS agreements is accounted for as an operating lease, whereas prior to June 30, 2020, these arrangements were accounted for as sales-type leases. This adjustment represents the one-time cumulative impact of modifying the contracts effective June 30, 2020. Prior to amending the terms, the sales-type lease accounting treatment impacted EBITDA and adjusted EBITDA negatively by $8.6 million for nine months ended September 30, 2020.

(e)For the nine months ended September 30, 2020, primarily consists of a $7.1 million loss on extinguishment of debt associated with the debt pre-payments and $1.6 million for temporary fee waivers granted on certain products from March 2020 through June 2020 as a result of the COVID-19 pandemic. See Note 10 in the notes to the accompanying unaudited condensed consolidated financial statements for more information on the loss on extinguishment of debt. For the nine months ended September 30, 2020, also includes $0.8 million of fees to the Continuing Equity Owners for consulting and managing services through the date of the IPO. These fees are not required to be paid subsequent to the IPO. See Note 15 to the accompanying unaudited condensed consolidated financial statements for more information about these related party transactions.

Liquidity and capital resources

Overview

We have historically sourced our liquidity requirements primarily with cash flow from operations and, when needed, with borrowings under our Credit Facilities or equity transactions. The principal uses for liquidity have been debt service, capital expenditures (including research and development) and funds required to finance acquisitions. Given the impact the COVID-19 pandemic has had on the restaurant and hospitality industries, we continue to evaluate and take action, as necessary, to preserve adequate liquidity and ensure we can continue to successfully operate until these industries fully recover.

We do not intend to pay cash dividends on our Class A common stock in the foreseeable future. Shift4 Payments, Inc. is a holding company that does not conduct any business operations of its own. As a result, Shift4 Payments, Inc.’s ability to pay cash dividends on its common stock, if any, is dependent upon cash dividends and distributions and other transfers from Shift4 Payments, LLC. The amounts available to Shift4 Payments, Inc. to pay cash dividends are subject to the covenants and distribution restrictions in its subsidiaries’ agreements governing its indebtedness, including covenants in such agreements providing that the payments of dividends or other distributions are subject to annual limitations based on our market capitalization.

The following table sets forth summary cash flow information for the periods presented.

	Nine Months Ended September 30,
(in millions)	2021		2020
Net cash provided by operating activities	$	25.6	$	17.0
Net cash used in investing activities	(162.0)		(31.9)
Net cash provided by financing activities	496.7		340.1
Total	$	360.3	$	325.2

Operating activities

Net cash provided by operating activities consists of net loss adjusted for certain non-cash items and changes in other assets and liabilities.

For the nine months ended September 30, 2021, net cash provided by operating activities of $25.6 million is primarily a result of:

•net loss of $60.3 million, which is net of $25.1 million of nonrecurring payments to our merchants and partners due to the TSYS outage and associated costs incurred in the third quarter of 2021, adjusted for non-cash expenses, including depreciation and amortization of $76.8 million, equity-based compensation of $26.9 million and provision for bad debts of $10.3 million; plus,

•changes in operating assets and liabilities of $(29.3) million, which is primarily a result of $25.3 million of additional funds deposited in our sponsor bank merchant settlement account to facilitate gross card

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transaction deposits for those customers we bill on a monthly, versus a daily basis, offset by working capital fluctuations.

For the nine months ended September 30, 2020, net cash provided by operating activities of $17.0 million is primarily a result of:

•net loss of $89.7 million, adjusted for non-cash expenses including equity-based compensation of $56.2 million, depreciation and amortization of $59.7 million, cumulative impact of modifying our lease contracts of $(12.4) million, loss on extinguishment of debt of $7.1 million, revaluation of contingent liabilities of $(5.9) million, provision for bad debts of $6.9 million, and amortization of capitalized financing costs of $2.9 million; plus,

•changes in operating assets and liabilities of $(9.0) million, which is primarily a result of change of control liabilities established at the time of the IPO of $10.3 million, offset by working capital fluctuations.

Investing activities

Net cash used in investing activities includes cash paid for acquisitions, purchases of future commission streams of our software partners, purchases of property, plant and equipment, purchases of equipment to be leased, capitalized software development costs and upfront processing bonuses provided to software partners.

Net cash used in investing activities was $162.0 million for the nine months ended September 30, 2021, an increase of $130.1 million compared to net cash used in investing activities of $31.9 million for the nine months ended September 30, 2020. This increase is primarily the result of:

•the acquisition of VenueNext in March 2021 for $68.5 million in aggregate purchase consideration, including $40.6 million in cash, net of cash acquired of $1.6 million;

•the investment in SpaceX of $27.5 million;

•the acquisition of Postec in September 2021 for $14.0 million, net of cash acquired of $1.7 million;

•higher purchases for equipment to be leased of $29.5 million;

•higher capitalized software development costs of $6.0 million; and

•higher capitalized acquisition costs of $4.9 million.

Financing activities

Net cash provided by financing activities was $496.7 million for the nine months ended September 30, 2021, an increase of $156.6 million, compared to net cash provided by financing activities of $340.1 million for the nine months ended September 30, 2020. This increase was primarily the result of:

•the net proceeds from the 2027 Convertible Notes during the nine months ended September 30, 2021 of $617.7 million;

•the partial repayment of the First Lien Term Loan Facility and full repayment of our Second Lien Term Loan Facility in the nine months ended September 30, 2020, totaling $189.8 million; partially offset by,

•the IPO and concurrent private placement net proceeds of approximately $557.2 million after deducting underwriting discounts, commissions and offering costs paid in the nine months ended September 30, 2020; and

•$119.7 million in employee taxes paid on vested RSUs during the nine months ended September 30, 2021.

Senior Notes and Credit Facilities

As of September 30, 2021 and December 31, 2020, we had $1,772.5 million total principal amount of debt outstanding, including $690.0 million of 2025 Convertible Notes, $632.5 million of 2027 Convertible Notes and $450.0 million 2026 Senior Notes.

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Convertible Notes Offering – 2027 Notes

In July 2021, Shift4 Payments, Inc. issued an aggregate principal amount of $632.5 million of 2027 Convertible Notes to qualified institutional buyers in an offering exempt from registration under the Securities Act. We received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $617.7 million from the offering of the 2027 Convertible Notes. The net proceeds of the 2027 Notes Offering, together with cash on hand, will be used for general corporate purposes. The 2027 Convertible Notes will mature on August 1, 2027, unless earlier repurchased, redeemed or converted, and accrue interest at a rate of 0.50% per year. Interest on the 2027 Convertible Notes is payable semi-annually in arrears on each February 1 and August 1, commencing on February 1, 2022. We will settle conversions by paying in cash up to the principal amount of the 2027 Convertible Notes with any excess to be paid or delivered, as the case may be, in cash or shares of Class A common stock or a combination of both at our election, based on the conversion rate. The initial conversion rate is 8.1524 shares of Class A common stock per $1,000 principal amount of 2027 Convertible Notes (equivalent to an initial conversion price of approximately $122.66 per share of Class A common stock), subject to adjustment upon the occurrence of specified events. None of the specified events for the conversion of the 2027 Convertible Notes occurred as of September 30, 2021. See Note 10 to the accompanying unaudited condensed consolidated financial statements for more information.

Senior Notes Offering – 2026 Notes

In October 2020, Shift4 Payments, LLC and Shift4 Payments Finance Sub, Inc. issued an aggregate principal amount of $450.0 million 4.625% Senior Notes due 2026 (“2026 Senior Notes”) in an offering to qualified institutional buyers exempt from registration under the Securities Act. We received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $442.8 million from the offering of the 2026 Senior Notes. The net proceeds of the 2026 Senior Notes offering, together with cash on hand, were used to repay all indebtedness outstanding under the First Lien Term Loan Facility. The 2026 Senior Notes will mature on November 1, 2026, and accrue interest at a rate of 4.625% per year. Interest on the 2026 Senior Notes is payable semi-annually in arrears on each May 1 and November 1, commencing on May 1, 2021.

Convertible Notes Offering – 2025 Notes

In December 2020, Shift4 Payments, Inc. issued an aggregate principal amount of $690.0 million of convertible senior notes due 2025 (“2025 Convertible Notes”) (and together with the 2026 Senior Notes and the 2027 Convertible Notes, “the Notes”) to qualified institutional buyers in an offering exempt from registration under the Securities Act. We received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $673.6 million from the 2025 Convertible Notes Offering. The net proceeds of the 2025 Convertible Notes Offering, together with cash on hand, will be used for general corporate purposes. The 2025 Convertible Notes do not bear regular interest and will mature on December 15, 2025 unless earlier repurchased, redeemed or converted. The Company will settle conversions by paying in cash up to the principal amount of Notes with any excess to be paid or delivered, as the case may be, in cash or shares of Class A common stock or a combination of both at its election, based on the conversion rate. The conversion rate for the 2025 Convertible Notes will initially be 12.4262 shares of Class A common stock per $1,000 principal amount of 2025 Convertible Notes (equivalent to an initial conversion price of approximately $80.48 per share of Class A common stock), subject to adjustment upon the occurrence of specified events. None of the specified events for the conversion of the 2025 Convertible Notes occurred as of September 30, 2021. See Note 10 to the accompanying unaudited condensed consolidated financial statements for more information.

Revolving Credit Facility

In October 2020, the Company fully repaid the $650.0 million of aggregate principal amount of secured term loans comprised of first lien term loans of $520.0 million due November 30, 2024 (“First Lien Term Loan Facility”), using the proceeds from the 2026 Senior Notes. The credit agreement governing the First Lien Term Loan Facility (“First Lien Credit Agreement”) included a revolving credit facility that had a borrowing capacity of $90.0 million (“Revolving Credit Facility”), which previously matured on November 30, 2022.

Amended and Restated Revolving Credit Facility

On January 29, 2021, Shift4 Payments, LLC amended and restated its First Lien Credit Agreement and increased the borrowing capacity under the Revolving Credit Facility to $100.0 million. The Revolving Credit Facility matures on January 29, 2026 or, if greater than $150.0 million aggregate principal amount of Shift4 Payments, LLC’s 2025 Convertible Notes remains outstanding on September 15, 2025, on that date. The Revolving Credit Facility requires periodic interest payments until maturity.

52

Loans incurred under the Revolving Credit Facility bear interest at our option at either the LIBO rate plus a margin ranging from 3.00% to 3.50% per year or the alternate base rate (the highest of the Federal Funds rate plus 0.50%, or the prime rate announced from time to time in The Wall Street Journal) plus a margin ranging from 2.00% to 2.50% per year (“Applicable Rate”). The Applicable Rate varies depending on the Company’s total leverage ratio (as defined in the Credit Agreement). The alternate base rate and the LIBO rate are each subject to a zero percent floor. In addition, we are required to pay a commitment fee under the Revolving Credit Facility in respect of the unutilized commitments thereunder at a rate ranging from 0.25% per year to 0.50% per year, in each case based on the total leverage ratio. We are also subject to customary letter of credit and agency fees. The Revolving Credit Facility has a borrowing capacity of $99.5 million, net of a $0.5 million letter of credit. As of September 30, 2021, we had no outstanding borrowings under the Revolving Credit Facility.

Contractual obligations

As a result of issuing the 2027 Convertible Notes, our contractual obligations for long-term debt and interest on long-term debt as presented in our Form 10-K have been modified. The following table provides an update as of September 30, 2021.

	Payments due by period
(in millions)	Total		2021 (remaining three months)		2022 and 2023		2024 and 2025		2026 and beyond
Long-term debt	$	1,772.5	$	—	$	—	$	690.0	$	1,082.5
Interest on long-term debt	133.5		10.4		48.0		48.0		27.1
Total	$	1,906.0	$	10.4	$	48.0	$	738.0	$	1,109.6

Off-balance sheet arrangements

During the periods presented, we did not engage in any off-balance sheet financing activities.

Critical accounting policies

Our discussion and analysis of our historical financial condition and results of operations for the periods described is based on our audited consolidated financial statements, and our accompanying unaudited condensed consolidated financial statements, each of which have been prepared in accordance with U.S. GAAP. The preparation of these historical financial statements in conformity with U.S. GAAP requires management to make estimates, assumptions and judgments in certain circumstances that affect the reported amounts of assets, liabilities and contingencies as of the date of the financial statements and the reported amounts of revenue and expenses during the reporting periods. We evaluate our assumptions and estimates on an ongoing basis. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Additionally, the full impact of the COVID-19 pandemic is unknown and cannot be reasonably estimated. However, we have made accounting estimates for our allowance for doubtful accounts, valuation of our contingent liabilities, other intangible assets and goodwill based on the facts and circumstances available as of the reporting date. Actual results may differ from these estimates under different assumptions or conditions.

We have provided a summary of our significant accounting policies in Note 1 in the notes to the accompanying unaudited condensed consolidated financial statements. The following critical accounting discussion pertains to accounting policies management believes are most critical to the portrayal of our historical financial condition and results of operations and that require significant, difficult, subjective or complex judgments. Other companies in similar businesses may use different estimation policies and methodologies, which may impact the comparability of our financial condition, results of operations and cash flows to those of other companies.

New accounting pronouncements

For information regarding new accounting pronouncements, and the impact of these pronouncements on our consolidated financial statements, if any, refer to Note 1 in the notes to the accompanying unaudited condensed consolidated financial statements.

JOBS Act

We qualify as an EGC pursuant to the provisions of the JOBS Act, enacted on April 5, 2012. Section 102 of the JOBS Act provides that an EGC can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act

53

for complying with new or revised accounting standards. We are electing to delay the adoption of new or revised accounting standards, and as a result, we may not comply with new or revised accounting standards on the relevant dates on which adoption of such standards is required for non-EGCs. As a result, our consolidated financial statements may not be comparable to companies that comply with new or revised accounting pronouncements as of public company effective dates.

We are in the process of evaluating the benefits of relying on other exemptions and reduced reporting requirements provided by the JOBS Act. Subject to certain conditions set forth in the JOBS Act, if as an EGC we choose to rely on such exemptions, we may not be required to, among other things, (1) provide an auditor’s attestation report on our systems of internal controls over financial reporting pursuant to Section 404, (2) provide all of the compensation disclosure that may be required of non-EGCs under the Dodd-Frank Act, (3) comply with the requirement of the PCAOB regarding the communication of critical audit matters in the auditor’s report on the financial statements, and (4) disclose certain executive compensation-related items such as the correlation between executive compensation and performance and comparisons of the Chief Executive Officer’s compensation to median employee compensation. These exemptions will apply until we no longer meet the requirements of being an EGC. We will remain an EGC until the earlier of (a) the last day of the fiscal year (i) following the fifth anniversary of the completion of our IPO, (ii) in which we have total annual gross revenue of at least $1.07 billion or (iii) in which we are deemed to be a large accelerated filer, which means the market value of our common stock that is held by non-affiliates exceeds $700.0 million as of the last business day of our prior second fiscal quarter, and (b) the date on which we have issued more than $1.07 billion in non-convertible debt during the prior three-year period. As of June 30, 2021, the market value of our common stock that is held by non-affiliates exceeded $700.0 million; therefore, as of December 31, 2021, we expect that we will cease to be an EGC.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Our future income, cash flows and fair values relevant to financial instruments are subject to risks relating to interest rates.

As of September 30, 2021, we had approximately $1,772.5 million of fixed rate debt outstanding pursuant to the Notes, with a fair value of $1,953.7 million, none of which was subject to an interest rate hedge. Since the Notes bear interest at fixed rates, they do not result in any financial statement risk associated with changes in interest rates. However, the fair value of the Notes fluctuates when interest rates change.

We also have a Revolving Credit Facility available to us with available borrowing capacity of $99.5 million, net of a $0.5 million letter of credit. We are obligated to pay interest on loans under the Revolving Credit Facility as well as other customary fees, including an upfront fee and an unused commitment fee based on our debt rating. Borrowings under the Revolving Credit Facility, if any, bear interest at floating rates. As a result, we are exposed to the risk related to fluctuations in interest rate to the extent of our borrowings. As of September 30, 2021 and December 31, 2020, we had no amounts outstanding under the Revolving Credit Facility. See “Liquidity and capital resources” in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part I, Item 2 of this Quarterly Report on Form 10-Q and Note 10 in the notes to the accompanying unaudited condensed consolidated financial statements for more information.

ITEM 4. CONTROLS AND PROCEDURES

Limitations on Effectiveness of Controls and Procedures

In designing and evaluating our disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply judgment in evaluating the benefits of possible controls and procedures relative to their costs.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our principal executive officer and principal financial officer, evaluated, as of the end of the period covered by this Quarterly Report on Form 10-Q, the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). Based on that evaluation, our principal executive officer and principal financial officer concluded that, as of September 30, 2021, our disclosure controls and procedures were effective at the reasonable assurance level.

54

Changes in internal control over financial reporting

There were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the quarter ended September 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

55

PART II: OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

We are, from time to time, party to various claims and legal proceedings arising out of our ordinary course of business, but we do not believe that any of these existing claims or proceedings will have a material effect on our business, consolidated financial condition or results of operations.

ITEM 1A. RISK FACTORS

Investing in our Class A common stock involves a high degree of risk. You should carefully consider the risks described under the heading “Risk Factors” in Part I, Item 1A of our 2020 Form 10-K, the other information in this Quarterly Report on Form 10-Q, including our unaudited condensed consolidated financial statements and the related notes, as well as our other public filings with the SEC, before deciding to invest in our Class A common stock. There have been no material changes to the Company’s risk factors since the 2020 Form 10-K. The occurrence of any of the events described therein could harm our business, financial condition, results of operations, liquidity or prospects. In such an event, the market price of our Class A common stock could decline, and you may lose all or part of your investment. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may also impair our business.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

On March 3, 2021, we acquired VenueNext for $68.5 million in aggregate purchase consideration. In connection with the acquisition, in the three months ended September 30, 2021, we issued 16,797 shares of Class A common stock to former VenueNext owners, in a registered transaction pursuant to an exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

56

ITEM 6. EXHIBITS

The following is a list of exhibits filed as part of this Quarterly Report on Form 10-Q.

INDEX TO EXHIBITS

		Incorporated by Reference
Exhibit Number	Exhibit Description	Form	File No.	Exhibit	Filing Date	Filed/Furnished Herewith
3.1	Amended and Restated Certificate of Incorporation of Shift4 Payments, Inc.	S-8	333-239042	4.1	06/09/2020
3.1	Amended and Restated Bylaws of Shift4 Payments, Inc.	S-8	333-239042	4.2	06/09/2020
4.1	Specimen Stock Certificate evidencing the shares of Class A common stock	S-1/A	333-238307	4.1	06/01/2020
4.2	Indenture, dated as of July 26, 2021, between Shift4 Payments, Inc. and U.S. Bank National Association, as trustee (and Form of Global Note)	8-K	001-39313	4.1	07/26/2021
31.1	Certification of Registrant’s Chief Executive Officer, as required by Section 302 of the Sarbanes-Oxley Act of 2002.					*
31.2	Certification of Registrant’s Chief Financial Officer, as required by Section 302 of the Sarbanes-Oxley Act of 2002.					*
32.1	Certification of Registrant’s Chief Executive Officer, as required by Section 906 of the Sarbanes-Oxley Act of 2002.					**
32.2	Certification of Registrant’s Chief Financial Officer, as required by Section 906 of the Sarbanes-Oxley Act of 2002.					**
101.INS	Inline XBRL Instance Document.					*
101.SCH	Inline XBRL Taxonomy Extension Schema Document.					*
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.					*
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.					*
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.					*
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.					*
104*	Cover Page Interactive Data File (formatting as Inline XBRL and contained in Exhibit 101)

*    Filed herewith.

**    Furnished herewith.

57

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		Shift4 Payments, Inc.
		By:	/s/ Jared Isaacman
			Jared Isaacman
			Chief Executive Officer (principal executive officer)
Date:	November 12, 2021
		By:	/s/ Bradley Herring
			Bradley Herring
			Chief Financial Officer (principal financial officer)
Date:	November 12, 2021

58

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Jared Isaacman, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Shift4 Payments, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(2)[omitted];

(3)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(4)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 12, 2021	By:	/s/Jared Isaacman
		Jared Isaacman
		Chief Executive Officer
		(principal executive officer)

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO

RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Bradley Herring, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Shift4 Payments, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(2)[omitted];

(3)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(4)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 12, 2021	By:	/s/ Bradley Herring
		Bradley Herring
		Chief Financial Officer
		(principal financial officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Shift4 Payments, Inc. (the “Company”) for the period ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 12, 2021	By:	/s/ Jared Isaacman
		Jared Isaacman
		Chief Executive Officer
		(principal executive officer)

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Shift4 Payments, Inc. (the “Company”) for the period ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 12, 2021	By:	/s/ Bradley Herring
		Bradley Herring
		Chief Financial Officer
		(principal financial officer)

XML

Cover - shares	9 Months Ended
	Sep. 30, 2021	Nov. 08, 2021
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	001-39313
Entity Registrant Name	SHIFT4 PAYMENTS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-3676340
Entity Address, Address Line One	2202 N. Irving Street
Entity Address, City or Town	Allentown
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	18109
City Area Code	888
Local Phone Number	276-2108
Title of 12(b) Security	Class A Common Stock, $0.0001 par value per share
Trading Symbol	FOUR
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001794669
Current Fiscal Year End Date	--12-31
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		51,522,201
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		26,272,654
Class C Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		5,139,890

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 1,288,100,000	$ 927,800,000
Accounts receivable, net of allowance for doubtful accounts of $13.4 in 2021 ($5.7 in 2020) (Note 3)	184,400,000	92,700,000
Inventory	2,000,000.0	1,500,000
Prepaid expenses and other current assets (Note 11)	13,200,000	11,500,000
Total current assets	1,487,700,000	1,033,500,000
Noncurrent assets
Goodwill (Note 5)	537,600,000	477,000,000.0
Other intangible assets, net (Note 6)	188,300,000	186,300,000
Capitalized acquisition costs, net (Note 7)	34,300,000	30,200,000
Equipment for lease, net (Note 8)	56,300,000	36,600,000
Property, plant and equipment, net (Note 9)	17,800,000	15,100,000
Investments in securities (Note 1)	29,500,000	0
Deferred tax asset (Note 13)	1,500,000	0
Other noncurrent assets	2,100,000	600,000
Total noncurrent assets	867,400,000	745,800,000
Total assets	2,355,100,000	1,779,300,000
Current liabilities
Current portion of debt (Note 10)	0	900,000
Accounts payable	125,800,000	60,600,000
Accrued expenses and other current liabilities (Note 11)	37,400,000	30,100,000
Deferred revenue (Note 3)	16,800,000	7,800,000
Total current liabilities	180,000,000.0	99,400,000
Noncurrent liabilities
Long-term debt (Note 10)	1,736,800,000	1,005,400,000
Deferred tax liability (Note 13)	0	2,800,000
Other noncurrent liabilities	2,900,000	1,700,000
Total noncurrent liabilities	1,739,700,000	1,009,900,000
Total liabilities	1,919,700,000	1,109,300,000
Commitments and contingencies (Note 16)
Stockholders' equity (Note 18)
Preferred stock, $0.0001 par value, 20,000,000 shares authorized at September 30, 2021 and December 31, 2020, none issued and outstanding	0	0
Additional paid-in capital	614,300,000	738,300,000
Retained deficit	(315,900,000)	(278,700,000)
Total stockholders' equity attributable to Shift4 Payments, Inc.	298,400,000	459,600,000
Noncontrolling interests (Note 19)	137,000,000.0	210,400,000
Total stockholders' equity	435,400,000	670,000,000.0
Total liabilities and stockholders' equity	2,355,100,000	1,779,300,000
Class A Common Stock
Stockholders' equity (Note 18)
Common stock	0	0
Class B Common Stock
Stockholders' equity (Note 18)
Common stock	0	0
Class C Common Stock
Stockholders' equity (Note 18)
Common stock	$ 0	$ 0

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Allowance for doubtful accounts	$ 13.4	$ 5.7
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, authorized (in shares)	20,000,000	20,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, outstanding (in shares)	82,921,152	80,552,659
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	300,000,000	300,000,000
Common stock, issued (in shares)	51,508,608	39,737,950
Common stock, outstanding (in shares)	51,508,608	39,737,950
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	26,272,654	30,625,857
Common stock, outstanding (in shares)	26,272,654	30,625,857
Class C Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	5,139,890	10,188,852
Common stock, outstanding (in shares)	5,139,890	10,188,852

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Gross revenue	[1]	$ 377.8	$ 214.8	$ 968.1	$ 556.0
Cost of sales	[2]	313.4	163.3	773.8	429.5
Gross profit		64.4	51.5	194.3	126.5
General and administrative expenses		48.1	35.4	153.3	144.8
Depreciation and amortization expense		15.0	16.2	45.9	37.1
Professional fees		3.3	2.9	13.0	5.8
Advertising and marketing expenses		3.5	0.8	26.1	2.9
Restructuring expenses (Note 4)		0.1	0.1	0.2	0.4
Other operating (income) expense, net (Note 3)		0.0	0.0	0.0	(12.4)
Total operating expenses		70.0	55.4	238.5	178.6
Loss from operations		(5.6)	(3.9)	(44.2)	(52.1)
Loss on extinguishment of debt (Note 10)		0.0	0.0	(0.2)	(7.1)
Other income, net		0.2	0.5	0.2	0.6
Interest expense		(7.4)	(7.1)	(20.2)	(32.1)
Loss before income taxes		(12.8)	(10.5)	(64.4)	(90.7)
Income tax (expense) benefit (Note 13)		(1.0)	0.7	4.1	1.0
Net loss	[3]	(13.8)	(9.8)	(60.3)	(89.7)
Net loss attributable to noncontrolling interests	[4]	(4.6)	(4.8)	(21.5)	(83.7)
Net loss attributable to Shift4 Payments, Inc.	[5]	(9.2)	$ (5.0)	(38.8)	$ (6.0)
Gross Revenue Contra Account
Gross revenue		$ (22.4)		$ (22.4)
Class A Common Stock
Basic and diluted net loss per share
Net loss per share - basic (in dollars per share)	[6]	$ (0.17)	$ (0.12)	$ (0.72)	$ (0.15)
Net loss per share - diluted (in dollars per share)	[6]	$ (0.17)	$ (0.12)	$ (0.72)	$ (0.15)
Weighted average common stock outstanding - basic (in shares)	[6]	49,692,599	23,309,247	46,251,576	22,363,399
Weighted average common stock outstanding - diluted (in shares)	[6]	49,692,599	23,309,247	46,251,576	22,363,399
Class C Common Stock
Basic and diluted net loss per share
Net loss per share - basic (in dollars per share)	[6]	$ (0.17)	$ (0.12)	$ (0.72)	$ (0.15)
Net loss per share - diluted (in dollars per share)	[6]	$ (0.17)	$ (0.12)	$ (0.72)	$ (0.15)
Weighted average common stock outstanding - basic (in shares)	[6]	6,117,997	19,222,017	8,078,943	19,424,100
Weighted average common stock outstanding - diluted (in shares)	[6]	6,117,997	19,222,017	8,078,943	19,424,100

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

[2] For the three and nine months ended September 30, 2021, includes $2.3 million of payments to partners associated with the TSYS outage. See Note 3 for more information.

[3] Net loss is equal to comprehensive loss.

[4] Net loss attributable to noncontrolling interests is equal to comprehensive loss attributable to noncontrolling interests, including the net loss for the period January 1, 2020 through June 4, 2020, the date the SEC declared effective the Company’s Registration Statement on Form S-1 filed in connection with its IPO. See Note 1 for more information.

[5] Net loss attributable to Shift4 Payments, Inc. is equal to comprehensive loss attributable to Shift4 Payments, Inc.

[6] For the nine months ended September 30, 2020, represents basic and diluted net loss per share of Class A and Class C common stock and weighted average shares of Class A and Class C common stock outstanding for the period from June 5, 2020 through September 30, 2020, the period following the Reorganization Transactions and Shift4 Payments, Inc.'s initial public offering described in Note 1. See Note 21 for additional information on basic and diluted net loss per share.

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN REDEEMABLE PREFERRED UNITS AND STOCKHOLDERS’ EQUITY/ MEMBERS’ (DEFICIT) (Unaudited) - USD ($) $ in Millions		Total		Additional paid-in capital	Members' Equity	Retained Deficit	Noncontrolling Interests	Redeemable Preferred Units Redeemable Preferred Units	Class A Common Units Common Stock	Class B Common Units Common Stock	Class A Common Stock Common Stock	Class B Common Stock Common Stock	Class C Common Stock Common Stock	Cumulative Effect of Period of Adoption Adjustment	Cumulative Effect of Period of Adoption Adjustment Additional paid-in capital	Cumulative Effect of Period of Adoption Adjustment Retained Deficit
Temporary Equity, Balance at beginning of period (in shares) at Dec. 31, 2019								430
Temporary Equity, Balance at beginning of period at Dec. 31, 2019								$ 43.0
Temporary Equity, Balance at end of period (in shares) at Mar. 31, 2020								430
Temporary Equity, Balance at end of period at Mar. 31, 2020								$ 43.0
Balance at beginning of period (in shares) at Dec. 31, 2019									100,000	1,010	0	0	0
Balance at beginning of period at Dec. 31, 2019		$ (32.9)		$ 0.0	$ 149.2	$ (182.4)	$ 0.0		$ 0.0	$ 0.3	$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss prior to Reorganization Transactions, IPO and concurrent private placement		(5.1)				(5.1)
Capital distributions		(0.1)			(0.1)
Preferred return on redeemable preferred units		(1.2)			(1.2)
Balance at end of period (in shares) at Mar. 31, 2020									100,000	1,010	0	0	0
Balance at end of period at Mar. 31, 2020		(39.3)		0.0	147.9	(187.5)	0.0		$ 0.0	$ 0.3	$ 0.0	$ 0.0	$ 0.0
Temporary Equity, Balance at beginning of period (in shares) at Dec. 31, 2019								430
Temporary Equity, Balance at beginning of period at Dec. 31, 2019								$ 43.0
Temporary Equity, Balance at end of period (in shares) at Sep. 30, 2020								0
Temporary Equity, Balance at end of period at Sep. 30, 2020								$ 0.0
Balance at beginning of period (in shares) at Dec. 31, 2019									100,000	1,010	0	0	0
Balance at beginning of period at Dec. 31, 2019		(32.9)		0.0	149.2	(182.4)	0.0		$ 0.0	$ 0.3	$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	[1]	(89.7)
Balance at end of period (in shares) at Sep. 30, 2020									0	0	28,550,026	35,567,488	15,920,291
Balance at end of period at Sep. 30, 2020		553.9		572.6	0.0	(266.3)	247.6		$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Temporary Equity, Balance at beginning of period (in shares) at Mar. 31, 2020								430
Temporary Equity, Balance at beginning of period at Mar. 31, 2020								$ 43.0
Balances at June 4, 2020 prior to Reorganization Transactions, IPO and concurrent private placement (in shares) at Jun. 04, 2020								430
Balances at June 4, 2020 prior to Reorganization Transactions, IPO and concurrent private placement at Jun. 04, 2020								$ 43.0
Balance at beginning of period (in shares) at Mar. 31, 2020									100,000	1,010	0	0	0
Balance at beginning of period at Mar. 31, 2020		(39.3)		0.0	147.9	(187.5)	0.0		$ 0.0	$ 0.3	$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss prior to Reorganization Transactions, IPO and concurrent private placement		(72.8)				(72.8)
Capital distributions		(0.4)			(0.4)
Preferred return on redeemable preferred units		(0.9)			(0.9)
Balances at June 4, 2020 prior to Reorganization Transactions, IPO and concurrent private placement (in shares) at Jun. 04, 2020									100,000	1,010
Balances at June 4, 2020 prior to Reorganization Transactions, IPO and concurrent private placement at Jun. 04, 2020		(113.4)			146.6	(260.3)				$ 0.3
Increase (Decrease) in Temporary Equity [Roll Forward]
Reorganization transactions (in shares)								(430)
Reorganization transactions								$ (43.0)
Temporary Equity, Balance at end of period (in shares) at Jun. 30, 2020								0
Temporary Equity, Balance at end of period at Jun. 30, 2020								$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-based compensation		50.0		50.0
Reorganization transactions (in shares)									(100,000)	(1,010)	(528,150)	(39,204,989)	(15,513,817)
Reorganization transactions		43.0		189.9	(146.6)					$ (0.3)
Preferred dividends settled with LLC interests		2.3		2.3
Issuance of common stock (in shares)											17,250,000		4,625,346
Issuance of common stock		463.8		463.8
Allocation of equity to noncontrolling interests		0.0		(211.5)			211.5
Issuance of common stock for change of control contingent liabilities (in shares)											915,503
Issuance of common stock for change of control contingent liabilities		21.1		21.1
Issuance of restricted stock units for change of control contingent liabilities		2.1		2.1
Net loss subsequent to Reorganization Transactions, IPO and concurrent private placement		(2.0)				(1.0)	(1.0)
Balance at end of period (in shares) at Jun. 30, 2020									0	0	18,693,653	39,204,989	20,139,163
Balance at end of period at Jun. 30, 2020		466.9		517.7	0.0	(261.3)	210.5		$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Temporary Equity, Balance at end of period (in shares) at Sep. 30, 2020								0
Temporary Equity, Balance at end of period at Sep. 30, 2020								$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(11.8)
Balance at end of period (in shares) at Sep. 30, 2020									0	0	28,550,026	35,567,488	15,920,291
Balance at end of period at Sep. 30, 2020		553.9		572.6	0.0	(266.3)	247.6		$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Temporary Equity, Balance at beginning of period (in shares) at Jun. 30, 2020								0
Temporary Equity, Balance at beginning of period at Jun. 30, 2020								$ 0.0
Temporary Equity, Balance at end of period (in shares) at Sep. 30, 2020								0
Temporary Equity, Balance at end of period at Sep. 30, 2020								$ 0.0
Balance at beginning of period (in shares) at Jun. 30, 2020									0	0	18,693,653	39,204,989	20,139,163
Balance at beginning of period at Jun. 30, 2020		466.9		517.7	0.0	(261.3)	210.5		$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(9.8)	[1]			(5.0)	(4.8)
Exchange of shares held by Searchlight (in shares)											7,856,373	(3,637,501)	(4,218,872)
Exchange of shares held by Searchlight		0.0		3.8			(3.8)
Equity-based compensation		6.2		6.2
Issuance of common stock (in shares)											2,000,000
Issuance of common stock		91.8		91.8
Allocation of equity to noncontrolling interests		0.0		(45.7)			45.7
Other		(1.2)		(1.2)
Balance at end of period (in shares) at Sep. 30, 2020									0	0	28,550,026	35,567,488	15,920,291
Balance at end of period at Sep. 30, 2020		553.9		572.6	$ 0.0	(266.3)	247.6		$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Balance at beginning of period (in shares) at Dec. 31, 2020											39,737,950	30,625,857	10,188,852
Balance at beginning of period at Dec. 31, 2020		670.0		738.3		(278.7)	210.4				$ 0.0	$ 0.0	$ 0.0	$ (109.9)	$ (111.5)	$ 1.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(51.0)				(32.8)	(18.2)
Issuance of Class A common stock and fair value of equity-based compensation awards assumed in connection with VenueNext acquisition (in shares)											325,127
Issuance of Class A common stock and fair value of equity-based compensation awards assumed in connection with VenueNext acquisition		26.3		13.5			12.8
Transfer from Founder of right associated with Inspiration4 seat		2.1		1.3			0.8
Exchange of shares held by Searchlight (in shares)											2,000,000	(926,000)	(1,074,000)
Exchange of shares held by Searchlight		0.0		6.3			(6.3)
Equity-based compensation		14.0		14.0
Vesting of restricted stock units, net of tax withholding (in shares)											46,503
Vesting of restricted stock units, net of tax withholding		(2.4)		(1.4)			(1.0)
Balance at end of period (in shares) at Mar. 31, 2021											42,109,580	29,699,857	9,114,852
Balance at end of period at Mar. 31, 2021		$ 549.1		660.5		(309.9)	198.5				$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]		ASU 2020-06
Balance at beginning of period (in shares) at Dec. 31, 2020											39,737,950	30,625,857	10,188,852
Balance at beginning of period at Dec. 31, 2020		$ 670.0		738.3		(278.7)	210.4				$ 0.0	$ 0.0	$ 0.0	$ (109.9)	$ (111.5)	$ 1.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	[1]	$ (60.3)
Issuance of common stock (in shares)		2,368,493
Balance at end of period (in shares) at Sep. 30, 2021											51,508,608	26,272,654	5,139,890
Balance at end of period at Sep. 30, 2021		$ 435.4		614.3		(315.9)	137.0				$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]		Accounting Standards Update 2021-08
Balance at beginning of period (in shares) at Mar. 31, 2021											42,109,580	29,699,857	9,114,852
Balance at beginning of period at Mar. 31, 2021		$ 549.1		660.5		(309.9)	198.5				$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		4.5				3.2	1.3
Exchange of shares held by Searchlight (in shares)											3,152,165	(1,459,453)	(1,692,712)
Exchange of shares held by Searchlight		0.0		7.9			(7.9)
Equity-based compensation		6.6		6.6
Vesting of restricted stock units, net of tax withholding (in shares)											1,953,859
Vesting of restricted stock units, net of tax withholding		(114.0)		(73.7)			(40.3)
Balance at end of period (in shares) at Jun. 30, 2021											47,215,604	28,240,404	7,422,140
Balance at end of period at Jun. 30, 2021		446.2		601.3		(306.7)	151.6				$ 0.0	$ 0.0	$ 0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(13.8)	[1]			(9.2)	(4.6)
Issuance of Class A common stock and fair value of equity-based compensation awards assumed in connection with VenueNext acquisition (in shares)											16,797
Issuance of Class A common stock and fair value of equity-based compensation awards assumed in connection with VenueNext acquisition		0.0		0.0
Exchange of shares held by Searchlight (in shares)											4,250,000	(1,967,750)	(2,282,250)
Exchange of shares held by Searchlight		0.0		9.0			(9.0)
Equity-based compensation		6.4		6.4
Vesting of restricted stock units, net of tax withholding (in shares)											26,207
Vesting of restricted stock units, net of tax withholding		(3.4)		(2.4)			(1.0)
Balance at end of period (in shares) at Sep. 30, 2021											51,508,608	26,272,654	5,139,890
Balance at end of period at Sep. 30, 2021		$ 435.4		$ 614.3		$ (315.9)	$ 137.0				$ 0.0	$ 0.0	$ 0.0

[1] Net loss is equal to comprehensive loss.

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020
Operating activities
Net loss	[1]	$ (60.3)	$ (89.7)
Adjustment to reconcile net loss to net cash provided by operating activities
Depreciation and amortization		76.8	59.7
Amortization of capitalized financing costs		4.1	2.9
Loss on extinguishment of debt		0.2	7.1
Deferred income taxes		(4.3)	1.1
Provision for bad debts		10.3	6.9
Revaluation of contingent liabilities		0.2	(5.9)
Impairment of intangible assets		0.0	0.4
Equity-based compensation expense		26.9	56.2
Other noncash items		1.0	(0.3)
Impact of lease modifications		0.0	(12.4)
Change in operating assets and liabilities
Accounts receivable		(98.0)	(19.3)
Contract assets		0.0	(0.6)
Prepaid expenses and other assets		(1.4)	(2.9)
Inventory		2.9	0.1
Accounts payable		59.1	16.9
Accrued expenses and other current liabilities		5.3	(5.5)
Deferred revenue		2.8	2.3
Net cash provided by operating activities		25.6	17.0
Investing activities
Acquisitions, net of cash acquired		(54.2)	0.0
Acquisition of equipment to be leased		(35.3)	(5.8)
Investments in securities		(29.5)	0.0
Customer acquisition costs		(19.3)	(14.4)
Capitalized software development costs		(13.0)	(7.0)
Acquisition of property, plant and equipment		(6.3)	(2.6)
Residual commission buyouts		(4.4)	(2.1)
Net cash used in investing activities		(162.0)	(31.9)
Financing activities
Proceeds from long-term debt		632.5	0.0
Payments for withholding tax related to vesting of restricted stock units		(119.7)	0.0
Deferred financing costs		(15.2)	(0.5)
Repayment of debt		(0.9)	(192.8)
IPO proceeds, net of underwriting discounts and commissions		0.0	372.9
Proceeds from private placement		0.0	100.0
September follow-on offering proceeds, net of underwriting discounts and commissions		0.0	93.4
Offering costs		0.0	(9.1)
Proceeds from revolving line of credit		0.0	68.5
Repayment of revolving line of credit		0.0	(89.5)
Payments on contingent liabilities		0.0	(1.4)
Preferred return on preferred stock		0.0	(0.9)
Capital distributions		0.0	(0.5)
Net cash provided by financing activities		496.7	340.1
Change in cash and cash equivalents		360.3	325.2
Cash and cash equivalents
Beginning of period		927.8	3.7
End of period		$ 1,288.1	$ 328.9

[1] Net loss is equal to comprehensive loss.

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Organization, Basis of Presentation and Significant Accounting Policies

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization, Basis of Presentation and Significant Accounting Policies

Organization, Basis of Presentation and Significant Accounting Policies

Organization

Shift4 Payments, Inc., “Shift4 Payments” or “the Company”, was incorporated in Delaware on November 5, 2019 in order to carry on the business of Shift4 Payments, LLC and its consolidated subsidiaries.

The Company is a leading provider of integrated payment processing and technology solutions. Through the Shift4 Model, the Company offers software providers a single integration to an end-to-end payments offering, a powerful gateway and a robust suite of technology solutions (including cloud enablement, business intelligence, analytics, and mobile) to enhance the value of their software suites and simplify payment acceptance. The Company provides for its merchants a seamless customer experience at scale, rather than simply acting as one of multiple providers they rely on to operate their businesses. The Shift4 Model is built to serve a range of merchants from small-to-medium-sized businesses to large and complex enterprises across numerous verticals, including lodging, leisure, stadiums and arenas, and food and beverage. This includes the Company’s Harbortouch, Restaurant Manager, POSitouch, and Future POS brands, as well as over 350 additional software integrations in virtually every industry.

Initial Public Offering and Concurrent Private Placement

On June 4, 2020, the Securities and Exchange Commission (“SEC”) declared effective the Company’s Registration Statement on Form S-1 (File No. 333-238307), as amended, filed in connection with its Initial Public Offering (“IPO”) (the “Registration Statement”). The Company’s Class A common stock started trading on The New York Stock Exchange on June 5, 2020. On June 9, 2020, the Company completed its IPO of 17,250,000 shares of Class A common stock, including 2,250,000 shares pursuant to the full exercise of the underwriters’ option to purchase additional shares, at a price to the public of $23.00 per share. Upon completion of the IPO, the Company received net proceeds of approximately $362.6 million, after deducting underwriting discounts and commissions and offering expenses of approximately $34.2 million. Concurrently with the IPO, the Company also completed a $100.0 million private placement of 4,625,346 shares of Class C common stock to Rook Holdings Inc. (“Rook”), a corporation wholly-owned by the Company’s Founder and Chief Executive Officer. The total net proceeds from the IPO and concurrent private placement were approximately $462.6 million. Shift4 Payments, Inc. used the proceeds to purchase newly-issued limited liability company interests from Shift4 Payments, LLC (“LLC Interests”). Shift4 Payments, LLC used these amounts received from Shift4 Payments, Inc. to repay certain existing indebtedness and for general corporate purposes. See Note 10 for more information. In connection with the IPO, the Company completed certain reorganization transactions (“Reorganization Transactions”) as described in the Company’s Form 10-K for the year ended December 31, 2020 filed with the SEC on March 8, 2021 (“2020 Form 10-K”).

Basis of Presentation

The accompanying interim condensed consolidated financial statements of the Company are unaudited. These unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and the applicable rules and regulations of the SEC for interim financial information. As such, these financial statements do not include all information and footnotes required by U.S. GAAP for complete financial statements. The December 31, 2020 Condensed Consolidated Balance Sheet was derived from audited financial statements as of that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments consisting only of normal recurring adjustments necessary to state fairly the financial position, results of operations and cash flows for the periods presented in conformity with U.S. GAAP applicable to interim periods. The results of operations for the interim periods presented are not necessarily indicative of results for the full year or future periods. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2020, as disclosed in the 2020 Form 10-K.

The unaudited condensed consolidated financial statements include the accounts of Shift4 Payments, Inc. and its wholly-owned subsidiaries. Shift4 Payments, Inc. consolidates the financial results of Shift4 Payments, LLC, which is

considered a variable interest entity (“VIE”). Shift4 Payments, Inc. is the primary beneficiary and sole managing member of Shift4 Payments, LLC and has decision making authority that significantly affects the economic performance of the entity. As a result, the Company consolidates Shift4 Payments, LLC, and reports a noncontrolling interest representing the economic interest in Shift4 Payments, LLC held by certain affiliates of Searchlight Capital Partners (“Searchlight”) and Rook (together, the “Continuing Equity Owners”).

As the Reorganization Transactions are considered transactions between entities under common control, the financial statement presentation for the periods prior to the IPO and Reorganization Transactions have been adjusted to combine the previously separate entities for presentation purposes. Prior to the Reorganization Transactions, Shift4 Payments, Inc. had no operations.

All intercompany balances and transactions have been eliminated in consolidation.

The assets and liabilities of Shift4 Payments, LLC represent substantially all of the consolidated assets and liabilities of Shift4 Payments, Inc. with the exception of certain cash balances and the aggregate principal amount of $690.0 million of 2025 Convertible Notes and $632.5 million of 2027 Convertible Notes that are held by Shift4 Payments, Inc. directly. See Note 10 for information about the 2025 Convertible Notes and the 2027 Convertible Notes. In connection with the issuance of each the 2025 Convertible Notes and the 2027 Convertible Notes, Shift4 Payments, Inc. entered into an intercompany convertible promissory note (“Intercompany Convertible Note”) with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2025 Convertible Notes and the 2027 Convertible Notes to Shift4 Payments, LLC in the amount of $673.6 million and $617.7 million, respectively. The terms of each Intercompany Convertible Note mirror the terms of each the 2025 Convertible Notes and the 2027 Convertible Notes issued by Shift4 Payments, Inc. The intent of each Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement. As of September 30, 2021 and December 31, 2020, $9.6 million and $684.5 million of cash was held by Shift4 Payments, Inc., respectively. Shift4 Payments Inc., which was established November 5, 2019, has not had any material operations on a standalone basis since its inception, and all of the operations of the Company are carried out by Shift4 Payments, LLC and its subsidiaries.

Liquidity and Management’s Plan

The unprecedented and rapid spread of COVID-19 as well as the shelter-in place orders, promotion of social distancing measures, restrictions to businesses deemed non-essential, and travel restrictions implemented throughout the United States have significantly impacted the restaurant and hospitality industries. As a result, the Company’s revenues, which are largely tied to processing volumes in these verticals, were materially impacted beginning in the final two weeks of March 2020. Since late March 2020, despite volumes in merchant categories associated with international travel and corporate travel running lower than pre-COVID-19 pandemic levels, the Company has seen a significant recovery in its end-to-end payment volumes as a result of merchants reopening their operations, new merchant onboarding and gateway conversions. While gross revenue and end-to-end volumes for the three and nine months ended September 30, 2021 have exceeded those for the three and nine months ended September 30, 2020, the Company will continue to evaluate the nature and extent of potential COVID-19-related impacts to its business, consolidated results of operations, and liquidity.

As of September 30, 2021, the Company had $1,772.5 million outstanding under its credit facilities and was in compliance with the financial covenants under its debt agreements. The Company expects to be in compliance for at least 12 months following issuance of these unaudited condensed consolidated financial statements. See Note 10 for further information on the Company’s debt obligations.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP, requires management to make estimates and assumptions that affect the amounts reported in the unaudited condensed consolidated financial statements and accompanying notes. Significant estimates inherent in the preparation of the accompanying unaudited condensed consolidated financial statements include estimates of fair value of acquired assets and liabilities through business combinations, fair value of contingent liabilities related to earnout payments and change of control, fair value of debt instruments, allowance for doubtful accounts, income taxes, investments in securities, noncontrolling interests and the February 2021 transfer of the right to select a participant for one seat on board Inspiration4, the first all-civilian mission to space, from Jared Isaacman, the Company’s Chief Executive Officer and founder (“Founder”). Estimates are based on past experience and other considerations reasonable under the circumstances. Actual results may differ from these estimates.

Additionally, the full impact of the COVID-19 pandemic is unknown and cannot be reasonably estimated. However, the Company has made accounting estimates based on the facts and circumstances available as of the reporting date. To the extent there are differences between these estimates and actual results, the unaudited condensed consolidated financial statements may be materially affected.

Revision of Previously Issued Financial Statements

During the course of preparing the Company’s consolidated financial statements for the year ended December 31, 2020, it was identified that $4.8 million of acquired technology recorded in “Other intangible assets, net” in the Consolidated Balance Sheet should have been impaired during fiscal year 2018. Although the Company has determined that this error did not have a material impact on its previously issued condensed consolidated financial statements, it has revised the accompanying condensed consolidated financial statements to correct for this error and to reflect the associated decrease in amortization expense of $0.1 million and $0.4 million recorded in “Cost of Sales” for the three and nine months ended September 30, 2020, respectively.

In addition, a misclassification of $0.1 million and $2.2 million was identified for the three and nine months ended September 30, 2020, respectively, resulting from expensing equipment provided to customers under the Company’s warranty program as “General and administrative expenses” which should have been classified as “Cost of sales” in the unaudited Condensed Consolidated Statements of Operations. This misclassification has also been corrected in connection with the revision of the unaudited Condensed Consolidated Statements of Operations. The revisions had no net impact on cash flows from operating, investing or financing activities in the unaudited Condensed Consolidated Statements of Cash Flows.

The applicable notes to the unaudited condensed consolidated financial statements have also been revised to correct for these errors. The following table sets forth the effects of the revisions to the previously issued unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2020 to correct for the prior period errors.

	For the three months ended September 30, 2020						For the nine months ended September 30, 2020
Consolidated Statements of Operations	As previously reported		Adjustment		As revised		As previously reported		Adjustment		As revised
Cost of sales	$	163.3	$	—	$	163.3	$	427.7	$	1.8	$	429.5
Gross profit	51.5		—		51.5		128.3		(1.8)		126.5
General and administrative expenses	35.5		(0.1)		35.4		147.0		(2.2)		144.8
Total operating expenses	55.5		(0.1)		55.4		180.8		(2.2)		178.6
Income (loss) from operations	(4.0)		0.1		(3.9)		(52.5)		0.4		(52.1)
Loss before income taxes	(10.6)		0.1		(10.5)		(91.1)		0.4		(90.7)
Net loss (a)	(9.9)		0.1		(9.8)		(90.1)		0.4		(89.7)
Basic and diluted net loss per share - Class A and Class C	(0.12)		—		(0.12)		(0.15)		—		(0.15)

(a)Net loss is equal to comprehensive loss.

As a result of the revisions, "Retained Deficit" and "Total equity (deficit)” as of September 30, 2020 were revised from $(262.6) million to $(266.3) million and $557.5 million to $553.9 million, respectively.

Significant Accounting Policies

The Company’s significant accounting policies are discussed in Note 2 to Shift4 Payments, Inc.’s consolidated financial statements as of and for the years ended December 31, 2020 and 2019 in the 2020 Form 10-K. There have been no significant changes to these policies which have had a material impact on the Company’s unaudited condensed consolidated financial statements and related notes during the nine months ended September 30, 2021, except as noted below.

Investments in securities

Investments in securities represents the Company’s investments in equity of non-public entities. These non-marketable equity investments have no readily determinable fair values and are measured using the measurement alternative,

which is defined as cost, less impairment, adjusted for observable price changes from orderly transactions for identical or similar investments of the same issuer. Adjustments, if any, are recorded in “Other income, net” on the unaudited Condensed Consolidated Statements of Operations. As of September 30, 2021, the Company has invested $27.5 million in Space Exploration Technologies Corp. (“SpaceX”), which designs, manufactures, and launches advanced rockets, spacecraft and satellites and $2.0 million in Sightline Payments, Inc. (“Sightline Payments”), a financial technology company that provides cashless, mobile, and omni-channel commerce solutions for the gaming, lottery, sports betting and other industries.

Recent Accounting Pronouncements

The Company, an emerging growth company (“EGC”), has elected to take advantage of the benefits of the extended transition period provided for in Section 7(a)(2)(B) of the Securities Act, for complying with new or revised accounting standards which allows the Company to defer adoption of certain accounting standards until those standards would otherwise apply to private companies. The Company expects to become a large accelerated filer effective December 31, 2021, following which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies.

Accounting Pronouncements Adopted

In October 2021, the FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities From Contracts With Customers. This ASU requires an acquirer to account for revenue contracts acquired in a business combination in accordance with ASC 606, Revenue from Contracts with Customers, as if it had originated the contracts. Prior to ASU 2021-08, an acquirer generally recognized assets acquired and liabilities assumed in a business combination, including contract assets and contract liabilities arising from revenue contracts with customers and other similar contracts, at fair value on the acquisition date. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. The guidance is effective for the Company for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, and should be applied prospectively to business combinations occurring on or after the effective date. Early adoption is permitted. An entity that early adopts in an interim period should apply the amendments (1) retrospectively to all business combinations for which the acquisition date occurs on or after the beginning of the fiscal year that includes the interim period of early application and (2) prospectively to all business combinations that occur on or after the date of initial application. The Company adopted ASU 2021-08 in the third quarter of 2021 and retrospectively applied the ASU to its acquisitions that occurred in 2021. The adoption of ASU 2021-08 resulted in an increase to “Deferred revenue” of $5.7 million, of which $1.8 million was recognized as an increase to “Gross revenue” for the three and nine months ended September 30, 2021. The impact on net loss per Class A and Class C share, basic and diluted, was $0.03 for both the three and nine months ended September 30, 2021.

In August 2020, the FASB issued ASU 2020-06, Debt-Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging-Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity. This ASU removes certain separation models in ASC 470-20 for convertible instruments, and, as a result, embedded conversion features that do not require bifurcation under ASC 815 are no longer subject to separation into an equity classified component. Consequently, a convertible debt instrument, such as the Company's 2025 Convertible Notes, shall be accounted for as a single liability measured at its amortized cost. The Company adopted ASU 2020-06 on January 1, 2021 using the modified retrospective transition method. As of December 31, 2020, the Company had recorded a discount on the 2025 Convertible Notes of $111.5 million related to the separation of the conversion feature. This discount resulted in the accretion of interest expense over time and was removed upon adoption of this ASU. The adoption of ASU 2020-06 resulted in a decrease to additional paid-in capital of $111.5 million, a decrease to retained deficit of $1.6 million and a net increase to long-term debt of $109.9 million. Interest expense recognized in future periods will be reduced as a result of accounting for the convertible debt instrument as a single liability measured at its amortized cost. The impact on net loss per share and the Company’s debt covenants was not material.

In August 2018, the FASB issued ASU 2018-13: Fair Value Measurement—Disclosure Framework (Topic 820). The updated guidance improves the disclosure requirements on fair value measurements. The Company adopted ASU 2018-13 effective January 1, 2020 and there was no significant impact on the Company’s disclosures upon adoption.

Accounting Pronouncements Not Yet Adopted

In February 2016, the FASB issued ASU 2016-02: Leases. The new standard requires a lessee to record assets and liabilities on the balance sheet for the rights and obligations arising from leases with terms of more than 12 months. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in the annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In June 2016, the FASB issued ASU 2016-13: Financial Instruments—Credit Losses (Topic 326), which changes the impairment model for most financial assets, including accounts receivable, and replaces the existing incurred loss impairment model with an expected loss methodology, which will result in more timely recognition of credit losses. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in our annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The Company is evaluating the potential impact of adopting ASU 2016-13 on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04: Simplifying the Test for Goodwill Impairment, which removes step 2 of the quantitative goodwill impairment test. Under the amended guidance, a goodwill impairment charge is recognized for the amount by which the carrying value of a reporting unit exceeds its fair value, not to exceed the carrying amount of goodwill. The Company expects to apply this guidance to the annual goodwill impairment test performed on October 1, 2021 for the year ended December 31, 2021. The Company is evaluating the potential impact of adopting ASU 2017-04 on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement that is a Service Contract. ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal use software license). The accounting for the service element of a hosting arrangement that is a service contract is not affected. The guidance is effective for the Company for annual reporting periods beginning after December 15, 2020, and interim reporting periods beginning after December 15, 2021. The Company adopted ASU 2018-15 prospectively for the Company’s annual reporting period effective January 1, 2021 and will adopt it for interim reporting periods beginning on January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. ASU 2019-12 removes certain exceptions associated with (i) intraperiod tax allocations, (ii) recognition of deferred tax liability for equity method investments of foreign subsidiaries, and (iii) the calculation of income taxes in an interim period when in a loss position. Additionally, ASU 2019-12 simplifies accounting for (i) income taxes associated with franchise taxes, (ii) tax basis of goodwill in a business combination, (iii) the allocation of tax expense to a legal entity that is not subject to tax in standalone financial statements, (iv) enacted changes in tax laws, and (v) income taxes related to employee stock ownership plans and investments in qualified affordable housing projects accounted for under the equity method. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in our annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform, which provides optional expedients and exceptions for applying U.S. GAAP to contract modifications and hedging relationships, subject to certain criteria, that reference the London Interbank Offered Rate (“LIBOR”), or another reference rate that is expected to be discontinued. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. The Company is currently evaluating whether it will elect the optional expedients, as well as evaluating the impact of ASU 2020-04 on the Company’s consolidated financial statements.

In July 2021, the FASB issued ASU 2021-05: Lessors —Certain Leases with Variable Lease Payments, to amend lessor accounting for certain leases with variable lease payments that do not depend on a reference index or a rate and

would have resulted in the recognition of a loss at lease commencement if classified as a sales-type or a direct financing lease. ASU 2021-05 amends the classification requirements of such leases for lessors to result in an operating lease classification. This guidance can be applied either retrospectively or prospectively with early adoption permitted. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt ASU 2021-05 effective January 1, 2022. The Company is evaluating the method of adoption and the potential impact of adopting ASU 2021-05 on the Company’s consolidated financial statements.

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Acquisitions

9 Months Ended

Sep. 30, 2021

Business Combination and Asset Acquisition [Abstract]

Acquisitions

Acquisitions

Each of the following acquisitions was accounted for as a business combination using the acquisition method of accounting. The respective purchase prices were allocated to the assets acquired and liabilities assumed based on the estimated fair values at the date of acquisition. The excess of the purchase price over the fair value of the net assets acquired was allocated to goodwill and represents the future economic benefits arising from other assets acquired, which cannot be individually identified or separately recognized. Under the acquisition method of accounting for business combinations, if there are changes to acquired deferred tax balances, valuation allowances or liabilities related to uncertain tax positions during the measurement period, and they are related to new information obtained about facts and circumstances that existed as of the acquisition date, those changes are considered a measurement-period adjustment, with the offset recorded to goodwill.

Postec

The Company completed the acquisition of Postec, Inc. ("Postec") on September 1, 2021, by acquiring 100% of its membership interests for $14.0 million, net of cash acquired. The purchase was funded with cash on hand. This acquisition enables the boarding of the vendor’s customers on the Company’s end-to-end acquiring solution and empowers the Company’s distribution partners to sign the vendor’s customer accounts and leverage the combined expertise to handle all aspects of installation, service, and support, similar to the hospitality technology vendor acquired in October 2020.

The following table summarizes the fair value assigned to the assets acquired and liabilities assumed at the acquisition date. These amounts reflect various preliminary fair value estimates and assumptions, and are subject to change within the measurement period as valuations are finalized. The primary areas of preliminary purchase price allocation subject

to change relate to the valuation of accounts receivable, accrued expenses and other current liabilities assumed and residual goodwill.

Cash	$	1.7
Accounts receivable	1.2
Prepaid expenses and other current assets	0.3
Inventory	0.6
Other intangible assets	5.6
Property, plant and equipment	0.3
Goodwill (a)	10.3
Accounts payable	(1.0)
Deferred revenue	(2.8)
Other accrued expenses	(0.5)
Net assets acquired	15.7
Less: cash acquired	(1.7)
Net assets acquired	$	14.0

(a)Goodwill is deductible for tax purposes.

During both the three and nine months ended September 30, 2021, the Company incurred expenses in connection with the Postec acquisition of $0.3 million. These expenses are included in “Professional fees” in the unaudited Condensed Consolidated Statements of Operations.

The fair values of intangible assets were estimated using inputs classified as Level 3 under the income approach using either the relief-from-royalty method (developed technology, trademarks and trade names) or the multi-period excess earnings method (customer relationships). The transaction was taxable for income tax purposes. The weighted average life of trademarks and trade names and customer relationships is 2 years and 11 years, respectively. The goodwill arising from the acquisition largely consists of revenue synergies associated with a larger total addressable market, the ability to cross-sell existing customers, new customers and technology capabilities.

The Postec acquisition did not have a material impact on the Company’s consolidated financial statements. Accordingly, revenue and expenses related to the acquisition and pro forma financial information have not been presented.

VenueNext

The Company completed the acquisition of VenueNext Inc. (“VenueNext”), a leader in integrated payments solutions in sporting arenas and event complexes, on March 3, 2021, for $66.9 million, by acquiring 100% of VenueNext’s membership interests. This acquisition enhances the Company’s presence and capabilities in a number of large and growing verticals such as stadiums and arenas, while significantly expanding its total addressable market with entry into entertainment, universities, theme parks, airports, and other verticals. The purchase price included the following forms of consideration:

Cash	$	42.2
Shares of Class A common stock (a)	24.5
RSUs granted for fair value of equity-based compensation awards (b)	1.8
Total purchase consideration	68.5
Less: cash acquired	(1.6)
Total purchase consideration, net of cash acquired	$	66.9

(a)Total purchase consideration includes 345,423 shares of common stock. As of September 30, 2021, 341,924 shares of common stock have been issued.

(b)The Company assumed all equity awards held by continuing employees. The portion of the fair value of the equity-based compensation awards associated with prior service of VenueNext employees represents a component of the total consideration as presented above and was valued based on the fair value of the VenueNext awards on March 3, 2021, the acquisition date.

The following table summarizes the fair value assigned to the assets acquired and liabilities assumed at the acquisition date. These amounts reflect various preliminary fair value estimates and assumptions, and are subject to change within the measurement period as valuations are finalized. The primary areas of preliminary purchase price allocation subject to change relate to the valuation of accounts receivable, accrued expenses, other current liabilities assumed and residual goodwill.

Accounts receivable	$	0.7
Prepaid expenses and other current assets	0.2
Inventory	0.2
Other intangible assets	19.8
Goodwill (a)	52.7
Accounts payable	(0.9)
Deferred revenue	(5.8)
Net assets acquired	$	66.9

(a)Goodwill is not deductible for tax purposes.

As a result of the adoption of ASC 2021-08 in the third quarter of 2021, the Company retrospectively evaluated the revenue contracts acquired and in the third quarter of 2021 adjusted the preliminary purchase price allocation to reflect an increase to deferred revenue of $5.7 million, of which the Company recognized $2.8 million within "Gross revenue" in the three and nine months ended September 30, 2021. This resulted in corresponding adjustments of $1.3 million in the preliminary fair value assigned to "Other intangible assets" and "Goodwill."

During the nine months ended September 30, 2021, the Company incurred expenses in connection with the VenueNext acquisition of $1.1 million. These expenses are included in “Professional fees” in the unaudited Condensed Consolidated Statements of Operations.

The fair values of intangible assets were estimated using inputs classified as Level 3 under the income approach using either the relief-from-royalty method (developed technology, trademarks and trade names) or the multi-period excess earnings method (customer relationships). The transaction was not taxable for income tax purposes. The weighted average life of developed technology, trademarks and trade names, and customer relationships is 10 years, 10 years and 11 years, respectively. The goodwill arising from the acquisition largely consists of revenue synergies associated with a larger total addressable market, the ability to cross-sell existing customers, new customers and technology capabilities.

The VenueNext acquisition did not have a material impact on the Company’s consolidated financial statements. Accordingly, revenue and expenses related to the acquisition and pro forma financial information have not been presented.

3dcart

The Company completed the acquisition of Infomart2000 Corp., doing business as 3dcart, on November 5, 2020, by acquiring 100% of its membership interests for $39.9 million in cash, net of cash acquired, and approximately $19.2 million in shares of the Company’s Class A common stock. The purchase was funded with cash on hand. Since the acquisition, 3dcart has been rebranded as Shift4Shop to align the eCommerce offering with Shift4’s existing ecosystem of services. The acquisition expanded the Company’s omni-channel transaction capabilities and enabled Shift4Shop merchants to augment their eCommerce platform experience with the Company’s secure integrated payments solutions. In addition, the Company’s indirect sales distribution network is able to offer Shift4Shop’s turnkey eCommerce capabilities to the Company’s new and existing POS and payments customers.

Hospitality Technology Vendor

The Company completed the acquisition of a Hospitality Technology Vendor on October 16, 2020, by acquiring 100% of its membership interests for $9.9 million, net of cash acquired. Subsequently, the total consideration was adjusted to $9.5 million during the measurement period due to a working capital adjustment of $0.4 million, which reduced goodwill. In the second and third quarters of 2021, the Company made measurement period adjustments of $(0.3) million and $2.3 million, respectively, to accounts receivable with corresponding changes to goodwill to reflect the facts and circumstances in existence as of the effective date of the acquisition. The purchase was funded with cash on hand. This acquisition enables the boarding of the vendor’s customers on the Company’s end-to-end acquiring solution

and empowers the Company’s distribution partners to sign the vendor’s customer accounts and leverage the combined expertise to handle all aspects of installation, service, and support.

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Revenue

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

ASC 606: Revenue from Contracts with Customers

Under ASC 606, the Company has three separate performance obligations under its recurring software as a service agreements (“SaaS”) arrangements for point-of-sale systems provided to merchants: (1) point-of-sale software, (2) lease of hardware and (3) other support services. For the period January 1, 2019 through June 29, 2020, the hardware provided under the Company’s SaaS agreements was accounted for as a sales-type lease. Effective June 30, 2020, the Company modified the terms and conditions of its SaaS arrangements and updated its operational procedures. As a result, beginning June 30, 2020, hardware provided under the Company’s SaaS agreements is accounted for as an operating lease. See Note 8 for more information on equipment for lease.

TSYS outage

On August 21, 2021, TSYS, a Global Payments company and an important vendor to the Company, experienced a significant platform outage that resulted in the disruption of payment processing for the Company’s merchants ("TSYS outage"). TSYS is utilized by many major credit card issuers and payment processors, which meant the impact of the outage was felt by many card accepting merchants and cardholders across the nation. In response to the TSYS outage, the Company distributed payments to both merchants and partners in order to alleviate the impact of the outage on their businesses. The following paragraphs describe how these payments are reflected in the Company's condensed consolidated financial statements.

In the third quarter of 2021, the Company distributed $22.4 million in payments to its merchants to approximate the lost revenues they experienced as a result of the TSYS outage. Under ASC 606, these payments were recorded as contra revenue, which is reflected as a reduction of “Gross revenue” in the Company’s unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021.

In the third quarter of 2021, the Company also distributed $2.3 million in payments to its partners to approximate their lost revenues and compensate them for the additional support required from them to manage the outage. Consistent with the treatment of the Company's payments to its partners in the normal course of business, these payments are reflected in “Cost of sales” in the Company’s unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021.

Disaggregated Revenue

Based on similar operational characteristics, the Company’s revenue from contracts with customers is disaggregated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Payments-based revenue (a)	$	346.9	$	196.8	$	887.6	$	494.4
Subscription and other revenues	30.9		18.0		80.5		61.6
Total	$	377.8	$	214.8	$	968.1	$	556.0

Based on similar economic characteristics, the Company’s revenue from contracts with customers is disaggregated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Over-time revenue (a)	$	366.9	$	210.3	$	938.2	$	533.8
Point-in-time revenue	10.9		4.5		29.9		22.2
Total	$	377.8	$	214.8	$	968.1	$	556.0

(a) For the three and nine months ended September 30, 2021, payments-based revenue includes nonrecurring payments of $22.4 million the Company made to merchants related to the TSYS outage that are treated as contra revenue and as such reduce payments-based revenue.

Contract Liabilities

The Company charges merchants for various post-contract license support/service fees and annual regulatory compliance fees. These fees typically relate to a period of one year. The Company recognizes the revenue on a straight-line basis over its respective period. As of September 30, 2021 and December 31, 2020, the Company had deferred revenue of $19.4 million and $8.1 million, respectively. The change in the contract liabilities is primarily the result of a timing difference between payment from the customer and the Company’s satisfaction of each performance obligation.

The following reflects the amounts the Company recognized as annual service fees and regulatory compliance fees within “Gross revenue” in the unaudited Condensed Consolidated Statements of Operations and the amount of such fees that was included in deferred revenue at the beginning of the respective period.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Annual service fees and regulatory compliance fees	$	8.8	$	3.5	$	18.9	$	10.3
Amount of these fees included in deferred revenue at beginning of period	4.4		2.6		4.4		3.3

Accounts Receivable

The change in the Company’s allowance for doubtful accounts was as follows:

	September 30, 2021		September 30, 2020
Beginning balance	$	5.7	$	2.5
Additions to expense (a)	10.3		6.2
Write-offs, net of recoveries and other adjustments	(2.6)		(2.8)
Ending balance	$	13.4	$	5.9

(a)Includes a $5.5 million allowance on chargebacks from a single merchant recorded during the nine months ended September 30, 2021, which is included in “Cost of Sales” on the unaudited Condensed Consolidated Statements of Operations.

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Restructuring

9 Months Ended

Sep. 30, 2021

Restructuring and Related Activities [Abstract]

Restructuring

Restructuring

The following table summarizes the changes in the Company’s restructuring accrual:

Balance at December 31, 2020	$	2.9
Severance payments	(1.2)
Accretion of interest (a)	0.2
Balance at September 30, 2021	$	1.9

(a)Accretion of interest is included within “Restructuring expenses” in the unaudited Condensed Consolidated Statements of Operations.

The Company recognized restructuring expenses associated with a historical acquisition of $0.1 million and $0.2 million for the three and nine months ended September 30, 2021, respectively, and $0.1 million and $0.4 million for the three and nine months ended September 30, 2020, respectively.

The current portion of the restructuring accrual of $1.5 million and $1.4 million at September 30, 2021 and December 31, 2020, respectively, is included within “Accrued expenses and other current liabilities” on the Company's unaudited Condensed Consolidated Balance Sheets. The long-term portion of the restructuring accrual of $0.4 million and $1.5 million at September 30, 2021 and December 31, 2020, respectively, is included within “Other noncurrent liabilities” on the Company's unaudited Condensed Consolidated Balance Sheets.

Of the $1.9 million restructuring accrual outstanding as of September 30, 2021, approximately $0.4 million is expected to be paid in 2021 and $1.6 million in 2022, less accreted interest of $0.1 million.

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Goodwill

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The changes in the carrying amount of goodwill were as follows:

Balance at December 31, 2020	$	477.0
VenueNext acquisition (Note 2)	52.7
Postec acquisition (Note 2)	10.3
Hospitality Technology Vendor measurement period adjustments (Note 2)	(2.4)
Balance at September 30, 2021	$	537.6

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Other Intangible Assets, Net

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets, Net

Other Intangible Assets, Net

Other intangible assets, net consisted of the following:

	Weighted Average Amortization Period (in years)	September 30, 2021
		Carrying Value		Accumulated Amortization		Net Carrying Value
Merchant relationships	8	$	200.1	$	126.7	$	73.4
Acquired technology	9	113.2		51.7		61.5
Trademarks and trade names	18	20.3		3.4		16.9
Capitalized software development costs	4	36.2		7.9		28.3
Residual commission buyouts (a)	3	13.2		5.0		8.2
Total intangible assets		$	383.0	$	194.7	$	188.3

	Weighted Average Amortization Period (in years)	December 31, 2020
		Carrying Value		Accumulated Amortization		Net Carrying Value
Merchant relationships	8	$	185.8	$	106.5	$	79.3
Acquired technology	9	105.1		42.2		62.9
Trademarks and trade names	9	57.4		39.1		18.3
Noncompete agreements	2	3.9		3.9		—
Capitalized software development costs	4	25.1		5.8		19.3
Leasehold interest	2	0.1		0.1		—
Residual commission buyouts (a)	3	20.0		13.5		6.5
Total intangible assets		$	397.4	$	211.1	$	186.3

(a)Residual commission buyouts include contingent payments of $3.9 million and $3.4 million as of September 30, 2021 and December 31, 2020, respectively.

As of September 30, 2021, the estimated amortization expense for intangible assets for each of the five succeeding years and thereafter is as follows:

2021 (remaining three months)	$	14.1
2022	43.6
2023	30.9
2024	25.8
2025	23.2
Thereafter	50.7
Total	$	188.3

Amounts charged to expense in the unaudited Condensed Consolidated Statements of Operations for amortization of intangible assets were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Depreciation and amortization expense	$	8.2	$	9.8	$	27.7	$	28.7
Cost of sales	4.9		3.3		14.1		10.2
Total	$	13.1	$	13.1	$	41.8	$	38.9

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Capitalized Acquisition Costs, Net

9 Months Ended

Sep. 30, 2021

Capitalized Acquisition Costs, Net [Abstract]

Capitalized Acquisition Costs, Net

Capitalized Acquisition Costs, Net

Capitalized acquisition costs, net were $34.3 million and $30.2 million at September 30, 2021 and December 31, 2020, respectively. This consists of upfront processing bonuses with a gross carrying value of $65.2 million and $55.7 million and less accumulated amortization of $30.9 million and $25.5 million at September 30, 2021 and December 31, 2020, respectively.

Capitalized acquisition costs had a weighted average amortization period of three years at both September 30, 2021 and December 31, 2020. Amortization expense for capitalized acquisition costs is $5.4 million and $15.5 million for the three and nine months ended September 30, 2021, respectively, and $4.2 million and $11.2 million for the three and nine months ended September 30, 2020, respectively, and is included in “Cost of sales” in the unaudited Condensed Consolidated Statements of Operations.

As of September 30, 2021, the estimated future amortization expense for capitalized acquisition costs is as follows:

2021 (remaining three months)	$	5.4
2022	17.1
2023	9.8
2024	2.0
Total	$	34.3

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Equipment for Lease, Net

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Equipment for Lease, Net

Equipment for Lease, Net

Equipment for lease, net consisted of the following:

	Weighted Average Depreciation Period (in years)	September 30, 2021
		Carrying Value		Accumulated Depreciation		Net Carrying Value
Equipment under lease	3	$	65.5	$	18.5	$	47.0
Equipment held for lease (a)	N/A	9.3		—		9.3
Total equipment for lease		$	74.8	$	18.5	$	56.3

	Weighted Average Depreciation Period (in years)	December 31, 2020
		Carrying Value		Accumulated Depreciation		Net Carrying Value
Equipment under lease	3	$	36.5	$	6.9	$	29.6
Equipment held for lease (a)	N/A	7.0		—		7.0
Total equipment for lease, net		$	43.5	$	6.9	$	36.6

(a)Represents equipment that was not yet initially deployed to a merchant and, accordingly, is not being depreciated.

The amount charged to “Depreciation and amortization expense” in the unaudited Condensed Consolidated Statements of Operations for depreciation of equipment under lease was $5.8 million and $15.4 million for the three and nine months ended September 30, 2021, respectively, and $5.7 million for both the three and nine months ended September 30, 2020. Effective June 30, 2020, the Company modified the terms and conditions of its SaaS arrangements and updated its operational procedures. As a result, beginning June 30, 2020, hardware provided under the Company’s SaaS agreements is accounted for as an operating lease.

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Property, Plant and Equipment, Net

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

Property, plant and equipment, net consisted of the following:

	September 30, 2021		December 31, 2020
Equipment	$	11.4	$	16.0
Capitalized software	8.5		8.7
Leasehold improvements	8.5		11.6
Furniture and fixtures	2.0		3.1
Vehicles	0.3		0.2
Total property and equipment, gross	30.7		39.6
Less: Accumulated depreciation	(12.9)		(24.5)
Total property, plant and equipment, net	$	17.8	$	15.1

Amounts charged to expense in the unaudited Condensed Consolidated Statements of Operations for depreciation of property, plant and equipment were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Depreciation and amortization expense	$	1.0	$	0.8	$	2.8	$	2.7
Cost of sales	0.5		0.4		1.3		1.2
Total depreciation expense	$	1.5	$	1.2	$	4.1	$	3.9

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Debt

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Debt

Debt

The Company’s outstanding debt consisted of the following:

	September 30, 2021		December 31, 2020
Convertible Notes due 2025 (2025 Convertible Notes)	$	690.0	$	577.5
Convertible Notes due 2027 (2027 Convertible Notes)	632.5		—
Senior Notes due 2026 (2026 Senior Notes)	450.0		450.0
Other financing arrangements	—		0.9
Total borrowings	1,772.5		1,028.4
Less: Current portion of debt	—		(0.9)
	1,772.5		1,027.5
Less: Unamortized capitalized financing costs	(35.7)		(22.1)
Total long-term debt	$	1,736.8	$	1,005.4

Amortization of capitalized financing fees is included in “Interest expense” within the unaudited Condensed Consolidated Statements of Operations. Amortization expense was $1.7 million and $4.1 million for the three and nine months ended September 30, 2021, respectively, and $0.8 million and $2.9 million for the three and nine months ended September 30, 2020, respectively.

Convertible Notes due 2025

In December 2020, Shift4 Payments, Inc. issued an aggregate principal amount of $690.0 million of convertible senior notes due 2025 (“2025 Convertible Notes”) in an offering to qualified institutional buyers exempt from registration under the Securities Act. The Company received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $673.6 million from the 2025 Convertible Notes Offering. The 2025 Convertible Notes do not bear regular interest and will mature on December 15, 2025 unless earlier repurchased, redeemed or converted. The Company will settle conversions by paying in cash up to the principal amount of the 2025 Convertible Notes with any excess to be paid or delivered, as the case may be, in cash or shares of Class A common stock or a combination of both at its election, based on the conversion rate. The initial conversion rate for the 2025 Convertible Notes is 12.4262 shares of Class A common stock per $1,000 principal amount of 2025 Convertible Notes (equivalent to an initial conversion price of approximately $80.48 per share of Class A common stock), subject to customary adjustments upon the occurrence of specified events. Before September 15, 2025, noteholders will have the right to convert their 2025 Convertible Notes under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ended March 31, 2021 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2025 Convertible Notes for each trading day of the 2025 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2025 Convertible Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. From and after September 15, 2025, holders may convert their 2025 Convertible Notes at any time at their election until the close of business on the second scheduled trading day immediately before the maturity date. Upon conversion of the 2025 Convertible Notes, the Company will pay in cash the principal amount of the 2025 Notes with any excess to be paid or delivered, as the case may be, in cash or shares of the Company’s Class A common stock or a combination of both at the Company’s election. The 2025 Convertible Notes will be redeemable, in whole or in part, for cash at the Company’s option at any time, and from time to time, on or after December 20, 2023 and on or before the 40th scheduled trading day immediately before the maturity date, but only if the last reported sale price per share of the Company’s Class A common stock exceeds 130% of the conversion price for a specified period of time. The redemption price will be equal to the principal amount of the 2025 Convertible Notes to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the redemption date. Upon the occurrence of a “fundamental change,” which term includes certain change of control transactions, the Company must offer to repurchase the 2025 Convertible Notes at a price equal to 100% of their principal amount, plus accrued and unpaid special interest, if any, to, but not including, the date of repurchase. In addition, if a “make-whole

fundamental change” occurs prior to the maturity date or if the Company delivers a notice of redemption, the Company will, in certain circumstances, increase the conversion rate for a holder who elects to convert its 2025 Convertible Notes in connection with such make-whole fundamental change or notice of redemption, as the case may be.

In connection with the issuance of the 2025 Convertible Notes, Shift4 Payments, Inc. entered into an Intercompany Convertible Note with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2025 Convertible Notes to Shift4 Payments, LLC in the amount of $673.6 million. The terms of the Intercompany Convertible Note mirror the terms of the 2025 Convertible Notes issued by Shift4 Payments, Inc. The intent of the Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement.

As of December 31, 2020, in accounting for the issuance of the 2025 Convertible Notes, the Company separated the 2025 Convertible Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar debt instrument that does not have an associated convertible feature. The carrying amount of the equity component representing the conversion option was $114.2 million and was determined by deducting the fair value of the liability component from the par value of the 2025 Convertible Notes.

Debt issuance costs related to the 2025 Convertible Notes are comprised of discounts and commissions paid to the initial purchasers and third-party offering costs and total $16.4 million. As of December 31, 2020, the Company allocated the total amount incurred to the liability and equity components of the 2025 Note based on their relative values. Issuance costs attributable to the equity component were netted with the equity component in stockholders’ equity.

The Company adopted ASU 2020-06 on January 1, 2021 using the modified retrospective transition method. As of December 31, 2020, the Company recorded a discount on the 2025 Convertible Notes of $111.5 million related to the separation of the conversion feature. This discount was removed upon adoption of this ASU. The adoption of ASU 2020-06 resulted in a decrease to additional paid-in capital of $111.5 million, a decrease to retained deficit of $1.6 million, and a net increase to long-term debt of $109.9 million.

The net carrying amount of the 2025 Convertible Notes was as follows:

	September 30, 2021		December 31, 2020
Principal outstanding	$	690.0	$	690.0
Unamortized debt discount	—		(112.5)
Unamortized debt issuance costs	(13.7)		(13.5)
Net carrying value	$	676.3	$	564.0

The debt issuance costs are amortized to interest expense over the term of the 2025 Convertible Notes at an effective interest rate of 0.48%.

Convertible Notes due 2027

In July 2021, Shift4 Payments, Inc. issued an aggregate principal amount of $632.5 million 0.50% Convertible Senior Notes due 2027 (“2027 Convertible Notes”) in an offering to qualified institutional buyers exempt from registration under the Securities Act. The Company received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $617.7 million from the 2027 Convertible Notes Offering. The 2027 Convertible Notes are the Company’s senior, unsecured obligations and are equal in right of payment with the Company’s existing and future senior, unsecured indebtedness, senior in right of payment to the Company’s future indebtedness that is expressly subordinated to the 2027 Convertible Notes and effectively subordinated to the Company’s existing and future secured indebtedness, to the extent of the value of the collateral securing that indebtedness. The 2027 Convertible Notes are structurally subordinated to all existing and future indebtedness and other liabilities, including trade payables, and (to the extent the Company is not a holder thereof) preferred equity, if any, of the Company’s subsidiaries.

The 2027 Convertible Notes bear regular interest of 0.50% per year, payable semi-annually in arrears on February 1 and August 1 of each year, beginning on February 1, 2022. The 2027 Convertible Notes will mature on August 1, 2027, unless earlier repurchased, redeemed or converted. Before May 1, 2027, noteholders will have the right to convert their 2027 Convertible Notes only upon the occurrence of certain events. From and after May 1, 2027, noteholders may convert their 2027 Convertible Notes at any time at their election until the close of business on the second scheduled trading day immediately before the maturity date. The Company will settle conversions by paying in

cash up to the principal amount of the 2027 Convertible Notes with any excess to be paid or delivered, as the case may be, in cash or shares of Class A common stock or a combination of both at its election, based on the conversion rate. The initial conversion rate is 8.1524 shares of Class A common stock per $1,000 principal amount of 2027 Convertible Notes (equivalent to an initial conversion price of approximately $122.66 per share of Class A common stock), subject to customary adjustments upon the occurrence of specified events. Before May 1, 2027, holders will have the right to convert their 2027 Convertible Notes under the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ended September 30, 2021 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; (2) during the five business day period after any five consecutive trading day period in which the trading price per $1,000 principal amount of the 2027 Convertible Notes for each trading day of the 2027 Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate in effect on each such trading day; (3) if the Company calls any or all of the 2027 Convertible Notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. From and after May 1, 2027, holders may convert their 2027 Convertible Notes at any time at their election until the close of business on the second scheduled trading day immediately before the maturity date.

In addition, if certain corporate events that constitute a “make-whole fundamental change” occur, then the conversion rate will, in certain circumstances, be increased for a specified period of time. The 2027 Convertible Notes will be redeemable, in whole or in part, at the Company’s option at any time, and from time to time, on or after August 6, 2024 and on or before the 40th scheduled trading day immediately before the maturity date, at a cash redemption price equal to the principal amount of the 2027 Convertible Notes to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the redemption date, but only if the last reported sale price per share of the Company’s Class A common stock exceeds 130% of the conversion price on (i) each of at least 20 trading days, whether or not consecutive, during the 30 consecutive trading days ending on, and including, the trading day immediately before the date the Company sends the related redemption notice; and (2) the trading day immediately before the date the Company sends such notice. In addition, calling any 2027 Convertible Note for redemption will constitute a make-whole fundamental change with respect to that 2027 Convertible Note, in which case the conversion rate applicable to the conversion of that 2027 Convertible Note will be increased in certain circumstances if it is converted after it is called for redemption and prior to the second business day immediately before the related redemption date. If certain corporate events that constitute a “fundamental change” occur, then, subject to a limited exception for certain cash mergers, noteholders may require the Company to repurchase their 2027 Convertible Notes at a cash repurchase price equal to the principal amount of the 2027 Convertible Notes to be repurchased, plus accrued and unpaid special interest, if any, to, but excluding, the fundamental change repurchase date. The definition of fundamental change includes certain business combination transactions involving the Company and certain de-listing events with respect to the Company’s Class A common stock.

In connection with the issuance of the 2027 Convertible Notes, Shift4 Payments, Inc. entered into an Intercompany Convertible Note with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2027 Convertible Notes to Shift4 Payments, LLC in the amount of $617.7 million. The terms of the Intercompany Convertible Note mirror the terms of the 2027 Convertible Notes issued by Shift4 Payments, Inc. The

intent of the Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement.

Debt issuance costs related to the 2027 Convertible Notes are comprised of discounts and commissions paid to the initial purchasers and third-party offering costs and total $14.8 million. The net carrying amount of the 2027 Convertible Notes was as follows:

	September 30, 2021
Principal outstanding	$	632.5
Unamortized debt issuance costs	(14.5)
Net carrying value	$	618.0

The debt issuance costs are amortized to interest expense over the term of the 2027 Convertible Notes at an effective interest rate of 0.89%.

Senior Notes due 2026

In October 2020, the Company’s subsidiaries Shift4 Payments, LLC and Shift4 Payments Finance Sub, Inc. (together, the “Issuers”) issued an aggregate of $450.0 million principal amount of 4.625% Senior Notes due 2026 (“2026 Senior Notes”). The Company received net proceeds, after deducting initial purchasers’ discounts and estimated offering expenses, of approximately $442.8 million from the 2026 Senior Notes Offering. The net proceeds of the 2026 Senior Notes Offering, together with cash on hand, were used to repay the remaining $450.0 million left on the First Lien Term Loan Facility. The 2026 Senior Notes mature on November 1, 2026, and accrue interest at a rate of 4.625% per year. Interest on the 2026 Senior Notes is payable semi-annually in arrears on each May 1 and November 1, commencing on May 1, 2021. The Issuers may redeem all or a portion of the 2026 Senior Notes at any time prior to November 1, 2022 at a redemption price equal to 100% of the principal amount of the 2026 Senior Notes, plus the applicable “make-whole” premium as provided in the indenture governing the 2026 Senior Notes, plus accrued and unpaid interest, if any, to, but excluding, the redemption date. At any time on or after November 1, 2022, the Issuers may redeem all or a portion of the 2026 Senior Notes at the redemption prices set forth in the indenture governing the 2026 Senior Notes, plus accrued and unpaid interest, if any, to but excluding, the date of redemption. In addition, at any time prior to November 1, 2022, the Issuers may also redeem up to 40% of the original aggregate principal amount of the 2026 Senior Notes (including any additional 2026 Senior Notes) with the proceeds of certain equity offerings, at a redemption price equal to 104.625% of the principal amount of the 2026 Senior Notes, plus accrued and unpaid interest, if any to the redemption date. The Issuers may make such redemption so long as, after giving effect to any such redemption, at least 50% of the original aggregate principal amount of the 2026 Senior Notes (including any additional 2026 Senior Notes) remains outstanding (unless all 2026 Senior Notes are redeemed concurrently) and such redemption occurs not less than 10 days nor more than 60 days prior notice to the holders of the 2026 Senior Notes.

The 2026 Senior Notes have not been registered under the Securities Act of 1933, as amended (“Securities Act”), or the securities laws of any other jurisdiction. The 2026 Senior Notes were sold to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A and outside the United States pursuant to Regulation S of the Securities Act.

First Lien and Second Lien Term Loan Facility

As of December 31, 2019, Shift4 Payments, LLC had borrowings of $650.0 million in aggregate principal amount of secured term loans comprised of first lien term loans of $520.0 million due November 30, 2024 (“First Lien Term Loan Facility”) and second lien term loans of $130.0 million due November 30, 2025 (“Second Lien Term Loan Facility”). Interest with respect to the First Lien Term Loan Facility was payable quarterly in arrears at a rate of LIBOR plus 4.50% per annum. Interest with respect to the Second Lien Term Loan Facility was payable quarterly in arrears at a rate of LIBOR plus 8.50% per annum. The interest rate was determined based on Shift4 Payments, LLC first lien leverage ratio for the preceding fiscal quarter. Additional details on the credit agreement governing the First Lien Term Loan Facility are provided below under the heading “Revolving Credit Facility”.

In June 2020, the Company made $59.8 million in principal payments on the First Lien Term Loan Facility and repaid in full the $130.0 million outstanding under the Second Lien Term Loan Facility. In connection with these payments, the Company incurred a loss on extinguishment of debt of $7.1 million representing the unamortized capitalized financing costs associated with the prepaid debt, which was recorded to “Loss on extinguishment of debt” in the unaudited Condensed Consolidated Statements of Operations in the three and nine months ended September 30, 2020.

In October 2020, the Company fully repaid the First Lien Term Loan Facility, as discussed above, using the proceeds from the 2026 Senior Notes.

Revolving Credit Facility

The credit agreement governing the First Lien Term Loan Facility (“First Lien Credit Agreement”) included a revolving credit facility that had a borrowing capacity of $90.0 million (“Revolving Credit Facility”), with a maturity date of November 30, 2022. The Company was in compliance with these covenants at December 31, 2020.

Loans incurred under the Revolving Credit Facility bore interest at the Company’s option at either the LIBO rate plus a margin ranging from 4.00% to 4.50% per year or the alternate base rate plus a margin ranging from 3.00% to 3.50% per year. The interest rate varied depending on the Company’s first lien leverage ratio. The alternate base rate and the LIBO rate were each subject to a zero percent floor.

The Revolving Credit Facility unused commitment fee ranged from 0.25% to 0.50%. The applicable margin and unused commitment fee were determined based on the Company’s first lien net leverage ratio at the previously reported fiscal quarter.

In the first quarter of 2020, the Company drew $68.5 million under the Revolving Credit Facility for general corporate purposes and to strengthen its financial position amid the COVID-19 pandemic. In June 2020, the Company repaid the outstanding borrowings of $89.5 million under the Revolving Credit Facility. Borrowing capacity on the Revolving Credit Facility was $89.5 million as of December 31, 2020, net of a $0.5 million letter of credit.

Amended and Restated Revolving Credit Facility

On January 29, 2021, the Company amended and restated its First Lien Credit Agreement (“Amended Credit Agreement”) and increased the borrowing capacity under the Revolving Credit Facility to $100.0 million, of which $25.0 million is available for letters of credit. Subject to certain exceptions, all obligations under the First Lien Term Credit Agreement were repaid in full and all commitments thereunder terminated in connection with the Amended Credit Agreement. In connection with the amendment, the Company incurred a loss on extinguishment of debt of $0.2 million, representing unamortized capitalized financing costs, which was recorded to “Loss on extinguishment of debt” in the unaudited Condensed Consolidated Statements of Operations in the three and nine months ended September 30, 2021.

The Revolving Credit Facility matures on January 29, 2026, or, if greater than $150.0 million aggregate principal amount of the Company’s 2025 Convertible Notes remains outstanding on September 15, 2025, on that date.

The Amended Credit Agreement requires periodic interest payments until maturity. The Company may prepay all revolving loans under the Amended Credit Agreement at any time without premium or penalty (other than customary LIBO rate breakage costs), subject to certain notice requirements. The Company may also be subject to mandatory prepayments if the Revolving Credit Exposure exceeds the Revolving Credit Commitments under the Revolving Credit Facility.

Loans incurred under the Revolving Credit Facility bear interest at the Company’s option at either the LIBO rate plus a margin ranging from 3.00% to 3.50% per year or the alternate base rate (the highest of the Federal Funds rate plus 0.50%, or the prime rate announced from time to time in The Wall Street Journal) plus a margin ranging from 2.00% to 2.50% per year (such margins being referred to as the “Applicable Rate”). The Applicable Rate varies depending on the Company’s total leverage ratio (as defined in the Amended Credit Agreement). The alternate base rate and the LIBO rate are each subject to a zero percent floor.

In addition, the Company is required to pay a commitment fee under the Revolving Credit Facility in respect of the unutilized commitments thereunder at a rate ranging from 0.25% per year to 0.50% per year, in each case based on the total leverage ratio. The Company is also subject to customary letter of credit and agency fees.

Borrowings under the Amended Credit Agreement are guaranteed by each of the Company’s current and future direct and indirect wholly owned domestic subsidiaries, subject to certain customary exceptions as set forth in the Amended Credit Agreement. The obligations under the Amended Credit Agreement are secured by a first priority lien on substantially all the property and assets (real and personal, tangible and intangible) of the Company and the other guarantors, subject to certain customary exceptions.

The Amended Credit Agreement requires compliance with certain financial covenants, including a maximum secured leverage ratio, tested quarterly when the loans and certain letters of credit outstanding under the revolving credit facility exceed 35% of the total revolving commitments. In addition, the Amended Credit Agreement contains various

covenants that, among other restrictions, limit the Company’s and its subsidiaries’ ability to incur indebtedness; incur certain liens; consolidate, merge or sell or otherwise dispose of assets; alter the business conducted by the Company and its subsidiaries; make investments, loans, advances, guarantees and acquisitions; enter into sale and leaseback transactions; pay dividends or make other distributions on equity interests, or redeem, repurchase or retire equity interests; enter into transactions with affiliates; enter into agreements restricting the ability to pay dividends; redeem, repurchase or refinance other indebtedness; and amend or modify governing documents. The Company was in compliance with these covenants at September 30, 2021.

The Amended Credit Agreement contains events of default that are customary for a secured credit facility. If an event of default relating to bankruptcy or other insolvency events with respect to a borrower occurs, all obligations under the Amended Credit Agreement will immediately become due and payable. If any other event of default exists under the Amended Credit Agreement, the lenders may accelerate the maturity of the obligations outstanding under the Amended Credit Agreement and exercise other rights and remedies, including charging a default rate of interest equal to 2.00% per year above the rate that would otherwise be applicable. In addition, if any event of default exists under the Amended Credit Agreement, the lenders may commence foreclosure or other actions against the collateral.

Borrowing capacity on this Revolving Credit Facility was $99.5 million as of September 30, 2021, net of a $0.5 million letter of credit.

The 2025 Convertible Notes, 2026 Senior Notes, 2027 Convertible Note and Revolving Credit Facility include certain restrictions on the ability of Shift4 Payments, LLC to make loans, advances, or pay dividends to

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Other Consolidated Balance Sheet Components

9 Months Ended

Sep. 30, 2021

Other Consolidated Balance Sheet Components [Abstract]

Other Consolidated Balance Sheet Components

Other Consolidated Balance Sheet Components

Prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following:

	September 30, 2021		December 31, 2020
Prepaid insurance	$	4.5	$	2.5
Prepaid merchant signing bonuses (a)	1.4		—
Other prepaid expenses (b)	5.8		6.5
Taxes receivable	1.1		1.2
Agent and employee loan receivables	0.2		0.3
Other current assets	0.2		1.0
Total prepaid expenses and other current assets	$	13.2	$	11.5

(a)Represents deal bonuses paid to merchants to obtain processing contracts, which are amortized over their contractual term of one year.

(b)Includes prepayments related to information technology, rent, tradeshows and conferences.

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consisted of the following:

	September 30, 2021		December 31, 2020
Residuals payable	$	12.1	$	6.8
Accrued interest	9.2		3.6
Deferred employer social security tax pursuant to the CARES Act	3.0		3.0
Deferred tenant reimbursement allowance	2.8		3.1
Accrued payroll	2.3		2.8
Escrow payable	—		2.3
Accrued rent	1.5		1.5
Taxes payable	1.3		1.4
Restructuring accrual	1.5		1.4
Other current liabilities	3.7		4.2
Total accrued expenses and other current liabilities	$	37.4	$	30.1

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Fair Value Measurement

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurement

Fair Value Measurement

U.S. GAAP defines a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted process in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements).

The Company determines the fair values of its assets and liabilities that are recognized or disclosed at fair value in accordance with the hierarchy described below. The following three levels of inputs may be used to measure fair value:

•Level 1—Quoted prices in active markets for identical assets or liabilities;

•Level 2—Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities;

•Level 3—Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Level 3 assets and liabilities include items where the determination of fair value requires significant management judgment or estimation.

The Company makes recurring fair value measurements of contingent liabilities arising from certain acquisitions using Level 3 unobservable inputs. These amounts relate to a change of control provision and expected earnout payments related to the number of existing point-of-sale merchants that convert to full acquiring merchants.

The contingent liability related to a change of control was measured on the acquisition date using a Monte Carlo simulation model based on expected possible valuations of the Company upon a change of control and is remeasured at each reporting date due to changes in management’s expectations regarding possible future valuations of the Company, including considerations of changes in results of the Company, guideline public company multiples, and expected volatility. The contingent liability related to change of control was settled for 915,503 shares of Class A common stock in conjunction with the IPO.

The contingent liabilities arising from expected earnout payments were measured on the acquisition date using a probability-weighted expected payment model and were remeasured periodically due to changes in management’s estimates of the number of existing point-of-sale merchants that will convert to full acquiring merchants. In determining the fair value of the contingent liabilities, management reviewed the current results of the acquired business, along with projected results for the remaining earnout period, to calculate the expected earnout payment to be made using the agreed upon formula as laid out in the respective acquisition agreement. The earnout liabilities were fully paid at March 31, 2021.

The table below provides a reconciliation of the beginning and ending balances for the Level 3 contingent liabilities:

	Nine Months Ended September 30,
	2021		2020
Balance at beginning of period	$	—	$	32.3
Additions (a)	—		1.7
Cash payments made for contingent liabilities related to earnout payments	(0.2)		(2.3)
Contingent liabilities related to change of control settled with Class A common stock and restricted stock units	—		(23.2)
Fair value adjustments	0.2		(7.6)
Balance at end of period	$	—	$	0.9

(a)During the three months ended March 31, 2020, certain employment compensation agreements were amended. Consequently, previously recorded deferred compensation liabilities of $1.9 million associated with these agreements, included within “Other noncurrent liabilities” on the Consolidated Balance Sheet at December 31, 2019, were derecognized and new liabilities of $1.7 million were recognized at fair value within “Other noncurrent liabilities” on the unaudited Condensed Consolidated Balance Sheets. These contingent liabilities were settled at the IPO for 89,842 restricted stock units.

Fair value adjustments are recorded within “General and administrative expenses” within the unaudited Condensed Consolidated Statements of Operations. There were no transfers into or out of Level 3 during the nine months ended September 30, 2021 and 2020.

The estimated fair value of the Company's outstanding debt using quoted prices from over-the-counter markets, considered Level 2 inputs, was as follows.

	September 30, 2021				December 31, 2020
	Carrying Value		Fair Value		Carrying Value		Fair Value
2025 Convertible Notes	$	690.0	$	835.4	$	690.0	$	843.9
2026 Senior Notes	450.0		470.8		450.0		468.0
2027 Convertible Notes	632.5		647.5		—		—
Total	$	1,772.5	$	1,953.7	$	1,140.0	$	1,311.9

Other financial instruments not measured at fair value on the Company’s unaudited Condensed Consolidated Balance Sheets at September 30, 2021 and December 31, 2020 include cash and cash equivalents, accounts receivable, prepaid expenses and other current assets, other noncurrent assets, accounts payable, and accrued expenses and other current liabilities as their estimated fair values reasonably approximate their carrying value as reported on the unaudited Condensed Consolidated Balance Sheets.

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Income Taxes

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The Company holds an economic interest in Shift4 Payments, LLC and consolidates its financial position and results. The remaining ownership of Shift4 Payments, LLC not held by the Company is considered a noncontrolling interest. Shift4 Payments, LLC is treated as a partnership for income tax reporting and its members, including the Company, are liable for federal, state, and local income taxes based on their share of the LLC’s taxable income. In addition, Shift4 Corporation and VenueNext, Inc., two operating subsidiaries of Shift4 Payments, LLC, are considered C-Corporations for U.S. federal, state and local income tax purposes. Taxable income or loss from Shift4 Corporation and VenueNext is not passed through to Shift4 Payments, LLC. Instead, it is taxed at the corporate level subject to the prevailing corporate tax rates.

The Company has assessed the realizability of the net deferred tax assets and in that analysis has considered the relevant positive and negative evidence available to determine whether it is more likely than not that some portion or all of the deferred tax assets will be realized. The Company has recorded a full valuation allowance against the deferred tax assets at Shift4 Payments, Inc. as of September 30, 2021, which will be maintained until there is sufficient evidence to support the reversal of all or some portion of these allowances.

The Company’s effective tax rate was 7.8% and (6.7)% for the three months ended September 30, 2021 and 2020, respectively, and (6.4)% and (1.1)% for the nine months ended September 30, 2021 and 2020, respectively. The income tax expense for the three months ended September 30, 2021 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest and changes in the valuation allowances in the United States. The income tax benefit for the nine months ended September 30, 2021 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest, changes in the valuation allowances in the United States and the tax windfall related to vested equity-based compensation awards. The income tax benefit for the three and nine months ended September 30, 2020 was different than the U.S. federal statutory income tax rate of 21% primarily due to the loss allocated to the noncontrolling interest and changes in the valuation allowances in the United States. In addition, the nine months ended September 30, 2020 includes a tax benefit of $0.6 million for a net operating loss carryback at Shift4 Corporation which was allowed due to the CARES Act.

Tax Receivable Agreement

The Company expects to obtain an increase in its share of the tax basis in the net assets of Shift4 Payments, LLC as LLC Interests are redeemed from or exchanged by the Continuing Equity Owners at the option of the Company, determined solely by the Company’s independent directors. The Company intends to treat any redemptions and exchanges of LLC Interests as direct purchases of LLC Interests for U.S. federal income tax purposes. These increases in tax basis may reduce the amounts that it would otherwise pay in the future to various tax authorities. In connection with the Reorganization Transactions and the IPO, the Company entered into the Tax Receivable Agreement (“TRA”) with the Continuing Equity Owners.

The TRA provides for the payment by Shift4 Payments, Inc. of 85% of the amount of any tax benefits the Company actually realizes, or in some cases is deemed to realize, as a result of (i) increases in the Company’s share of the tax basis in the net assets of Shift4 Payments, LLC resulting from any redemptions or exchanges of LLC Interests, (ii) tax basis increases attributable to payments made under the TRA, and (iii) deductions attributable to imputed interest pursuant to the TRA. The Company expects to benefit from the remaining 15% of any of cash savings that it realizes.

The Company has not recognized any liability under the TRA after concluding it was not probable that such TRA Payments would be paid based on its estimates of future taxable income. No payments were made to the Continuing Equity Owners pursuant to the TRA during the three or nine months ended September 30, 2021. The amounts payable under the TRA will vary depending upon a number of factors, including the amount, character, and timing of the taxable income of Shift4 Payments, Inc. in the future. If the valuation allowance recorded against the deferred tax assets applicable to the tax attributes referenced above is released in a future period, the TRA liability may be considered probable at that time and recorded within earnings.

If all of the remaining Continuing Equity Owners were to exchange all of their LLC Units, the Company does not expect the deferred tax asset or TRA liability to vary substantially from the amounts reported in the 2020 Form 10-K. The actual amount of deferred tax assets and related liabilities are impacted by the timing of the exchanges, the valuation of Shift4 Corporation, the price of the Company’s shares of Class A common stock at the time of the exchange, and the tax rates then in effect.

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Operating Lease Agreements

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Operating Lease Agreements

Operating Lease Agreements

The Company has leases under noncancellable agreements which expire on various dates through November 30, 2030.

Total rent expense, which is included in “General and administrative expenses” in the unaudited Condensed Consolidated Statements of Operations, was $1.5 million and $4.4 million for the three and nine months ended September 30, 2021, respectively, and $1.3 million and $4.7 million for the three and nine months ended September 30, 2020, respectively.

The following are the future minimum rental payments required under the operating leases as of September 30, 2021:

2021 (remaining three months)	$	1.6
2022	4.9
2023	4.0
2024	3.9
2025	3.4
Thereafter	6.9
Total	$	24.7

The Company expects to receive future minimum lease payments for hardware provided under the Company’s SaaS agreements of $10.3 million from October 1, 2021 through September 30, 2022. See Note 8 for more information on the accounting for these operating leases.

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Related Party Transactions

9 Months Ended

Sep. 30, 2021

Related Party Transactions [Abstract]

Related Party Transactions

Related Party Transactions

The Company has a service agreement with the Founder, including access to aircrafts and a property. Total expense for this service, which is included in “General and administrative expenses” in the unaudited Condensed Consolidated Statements of Operations, was $0.2 million and $0.7 million for the three and nine months ended September 30, 2021, respectively, and $0.2 million for the nine months ended September 30, 2020. There were no amounts outstanding at September 30, 2021 or December 31, 2020. On May 31, 2020, the Company amended the monthly fee and added services in this service agreement with the Founder.

Shift4 Payments, LLC incurred management fees to its respective shareholders, prior to the IPO, which is included in “Professional fees” in the unaudited Condensed Consolidated Statements of Operations, of $0.8 million for the nine months ended September 30, 2020.

The Company incurred $1.2 million and $1.0 million in costs associated with the September 2020 and December 2020 Follow-on Offerings, respectively, that were reimbursable by Searchlight, and were included in “Accounts receivable, net” in the Consolidated Balance Sheets at December 31, 2020. The total receivable of $2.2 million was paid in the first quarter of 2021. In the third quarter of 2021, the Company incurred $0.6 million in costs associated with a proposed Follow-on Offering that are reimbursable by Searchlight and included in "Accounts receivable, net" on the Company's unaudited Condensed Consolidated Balance Sheets at September 30, 2021.

In February 2021, the Company accepted the transfer of the right to select a participant for one seat on board Inspiration4, the first all-civilian mission to space, from the Founder, who is also the commander of the mission. The right was transferred to the Company as a non-cash contribution and recorded at its estimated fair value of $2.1 million in “Additional paid-in capital” on the Company’s unaudited Condensed Consolidated Balance Sheets as of September 30, 2021, and expensed within “Advertising and marketing” on the Company's unaudited Condensed Consolidated Statements of Operations in March 2021 when the participant was selected for the mission through a contest held by the Company.

In the six months ended June 30, 2021, the Company incurred a significant amount of nonrecurring expenses to integrate, rebrand and promote 3dcart to Shift4Shop in conjunction with the Inspiration4 announcement. The Company leveraged this unique opportunity to deploy Shift4Shop and promote the Shift4 brand as a whole. A portion of these expenses represented a combined marketing and promotion effort designed to bring attention to both Shift4Shop and the Inspiration4 mission. Management performed a review of the expenses and determined that certain expenses, totaling $0.8 million for the six months ended June 30, 2021, respectively, were directly associated with the Inspiration4 mission and were reimbursed by the Founder. During the three months ended September 30, 2021, an additional $0.4 million of Inspiration4 expenses were incurred on behalf of the Founder, which, as of September 30, 2021, are recorded as "Accounts receivable" on the Company's unaudited Condensed Consolidated Balance Sheets.

Rook entered into a margin loan agreement in September 2020, (“September 2020 Margin Loan”), pursuant to which it pledged LLC Interests and shares of the Company’s Class A and Class B common stock (collectively, “Rook Units”) to secure a margin loan. The September 2020 Margin Loan was repaid in March 2021.

Rook entered into a margin loan agreement, replacing the September 2020 Margin Loan, in March 2021 (“March 2021 Margin Loan”), pursuant to which it pledged Rook Units to secure a margin loan. If Rook were to default on its obligations under the margin loan and fail to cure such default, the lender would have the right to exchange and sell up to 10,000,000 Rook units for an equal number of the Company’s Class A common stock to satisfy Rook’s obligation.

In March 2021, the Founder, through a wholly-owned special purpose vehicle (“SPV”), entered into a variable prepaid forward contract (“VPF Contract”) with an unaffiliated dealer (“Dealer”), covering approximately 2.0 million shares of the Company’s Class A common stock. The VPF Contract is scheduled to settle on specified dates in February, March and April 2023, at which time the actual number of shares of the Company’s Class A common stock to be delivered by the SPV will be determined based on the price of the Company’s Class A common stock on such dates relative to the forward floor price of $73.19 per share and the forward cap price of $137.24 per share, with the aggregate number not to exceed approximately 2.0 million shares, which is the number of shares of Company’s Class B common stock and LLC units pledged by Rook to secure its obligations under the contract. Subject to certain conditions, the SPV can also elect to settle the VPF Contract in cash and thereby retain full ownership of the pledged shares and units.

In September 2021, the Founder, through the SPV, entered into two VPF Contracts with a Dealer, one covering approximately 2.18 million shares of the Company’s Class A common stock and the other covering approximately 2.26 million shares of the Company’s Class A common stock. The VPF Contracts are both scheduled to settle on specified dates in June, July, August and September 2024, at which time the actual number of shares of the Company’s Class A common stock to be delivered by the SPV will be determined based on the price of the Company’s Class A common stock on such dates relative to the forward floor price of approximately $66.4240 per share and the forward cap price of approximately $112.09 per share for the contract covering approximately 2.18 million shares of the Company’s Class A common stock, and to the forward floor price of $66.4240 per share and the forward cap price of approximately $120.39 per share for the contract covering approximately 2.26 million shares of the Company’s Class A common stock, with the aggregate number not to exceed approximately 4.44 million shares, which is the aggregate number of shares of Company’s Class B common stock and their associated common units of Shift4 Payments, LLC pledged by the SPV to secure its obligations under the contracts. Subject to certain conditions, the SPV can also elect to settle the VPF Contracts in cash and thereby retain full ownership of the pledged shares and units.

If Rook were to default on its obligations under the VPF Contracts and fail to cure such default, the Dealer would have the right to exchange the pledged Class B stock and LLC interests for an equal number of the Company’s Class A common stock, and sell such Class A common stock to satisfy Rook’s obligation.

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Commitments and Contingencies	9 Months Ended
	Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and ContingenciesFrom time to time, the Company may become involved in various lawsuits and legal proceedings, which arise, in the ordinary course of business. However, litigation is subject to inherent uncertainties, and an adverse result in these, or other matters, may arise from time to time that may harm the Company’s business. In August 2021, TSYS, a Global Payments company and an important vendor to the Company, experienced a significant platform outage resulting in a payment processing service disruption that lasted for several hours. TSYS is utilized by many major credit card issuers and payment processors, which meant the impact of the outage was felt by many card accepting merchants and cardholders across the nation. The Company took steps to lessen the financial impact to its merchants and partners due to the TSYS outage and is seeking compensation through a variety of channels, including engaging with the responsible party. The Company is currently not aware of any other legal proceedings or claims that the Company believes will have a material adverse effect on its business, financial condition or operating results.

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Redeemable Preferred Units

9 Months Ended

Sep. 30, 2021

Temporary Equity Disclosure [Abstract]

Redeemable Preferred Units

Redeemable Preferred Units

The redeemable preferred units earned a preferred dividend, which could be paid in cash or preferred units at a rate of 10.50% per annum, compounded quarterly.

During the nine months ended September 30, 2020, $2.1 million of preferred dividends were accrued and recognized as a reduction of “Members’ Deficit.” In connection with the Reorganization Transactions, the redeemable preferred units were converted into LLC Interests.

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Stockholders' Equity/Members' Deficit

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Stockholders' Equity/Members' Deficit

Stockholders’ Equity/Members’ Deficit

Structure prior to the Reorganization Transactions

Prior to the completion of the Reorganization Transactions, Shift4 Payments, LLC had LLC Interests outstanding in the form of Class A Common units and Class B Common units.

Immediately prior to the completion of the Reorganization Transactions, the LLC Interests of Shift4 Payments, LLC were beneficially owned as set forth below.

•Searchlight owned 28,889,790 Class A units, representing 52.3% economic interest in Shift4 Payments, LLC.

•Rook owned 25,829,016 Class A units, representing 46.7% economic interest in Shift4 Payments, LLC.

•A former equity owner owned 528,150 Class B units, representing 1.0% economic interest in Shift4 Payments, LLC.

Amendment and Restatement of Certificate of Incorporation

In connection with the Reorganization Transactions, the Company’s certificate of incorporation was amended and restated to, among other things, provide for the (i) authorization of 300,000,000 shares of Class A common stock with a par value of $ 0.0001 per share; (ii) authorization of 100,000,000 shares of Class B common stock with a par value of $ 0.0001 per share; (iii) authorization of 100,000,000 shares of Class C common stock with a par value of $ 0.0001 per share; and (iv) authorization of 20,000,000 shares of preferred stock with a par value of $ 0.0001 per share.

Holders of Class A common stock are entitled to one vote per share and holders of Class B and Class C common stock are entitled to ten votes per share. Holders of Class A, Class B, and Class C common stock will vote together as a single class on all matters presented to the Company’s stockholders for their vote of approval, except for certain amendments to the Company’s Certificate of Incorporation or as otherwise required by law. Holders of the Class A and Class C common stock are entitled to receive dividends, and upon the Company’s dissolution or liquidation, after payment in full of all amounts required to be paid to creditors and to the holders of preferred stock having liquidation preferences, if any, the holders of shares of Class A and Class C common stock will be entitled to receive pro rata the Company’s remaining assets available for distribution. Holders of the Company’s Class B common stock are not entitled to receive dividends and will not be entitled to receive any distributions upon dissolution or liquidation of the Company. Holders of Class A, Class B, and Class C common stock do not have pre-emptive or subscription rights, and there will be no redemption or sinking fund provisions applicable to any class of common stock. Holders of Class A and Class B common stock do not have conversion rights. Shares of Class C common stock can only be held by the Continuing Equity Owners or their permitted transferees, and if any such shares are transferred to any other person, they will automatically convert into shares of Class A common stock on a one-to-one basis.

Shares of Class B common stock will be issued in the future only to the extent necessary to maintain a one-to-one ratio between the number of LLC Interests held by the Continuing Equity Owners and the number of shares of Class B common stock issued to each of the Continuing Equity Owners. Shares of Class B common stock are transferable only together with an equal number of LLC Interests (subject to certain exceptions). Only permitted transferees of LLC Interests held by the Continuing Equity Owners will be permitted transferees of Class B common stock.

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Noncontrolling Interests

9 Months Ended

Sep. 30, 2021

Noncontrolling Interest [Abstract]

Noncontrolling Interests

Noncontrolling Interests

Shift4 Payments, Inc. is the sole managing member of Shift4 Payments, LLC, and consolidates the financial results of Shift4 Payments, LLC. The noncontrolling interests balance represents the economic interest in Shift4 Payments, LLC held by the Continuing Equity Owners. The following table summarizes the ownership of LLC Interests in Shift4 Payments, LLC:

	LLC Interests			Ownership percentage
	Shift4 Payments, Inc.	Continuing Equity Owners	Total	Shift4 Payments, Inc.		Continuing Equity Owners		Total
Balances at December 31, 2020	49,926,802	30,625,857	80,552,659	62.0	%	38.0	%	100.0	%
Issuance of LLC units	2,368,493	—	2,368,493	1.0	%	(1.0	%)	—
Redemption of LLC units	4,353,203	(4,353,203)	—	5.3	%	(5.3	%)	—
Balances at September 30, 2021	56,648,498	26,272,654	82,921,152	68.3	%	31.7	%	100.0	%

The Continuing Equity Owners have the right to require the Company to redeem their LLC Interests for, at the option of the Company, determined solely by the Company’s independent directors, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each LLC Interest redeemed. In connection with the exercise of the redemption or exchange of LLC Interests (1) the Continuing Equity Owners will be required to surrender a number of shares of Class B common stock registered in the name of such redeeming or exchanging Continuing Equity Owner (or its applicable affiliate), which the Company will cancel for no consideration on a one-for-one basis with the number of LLC Interests so redeemed or exchanged and (2) all redeeming members will surrender LLC Interests to Shift4 Payments, LLC for cancellation.

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Equity-based Compensation

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Equity-based Compensation

Equity-based Compensation

2020 Incentive Award Plan

In June 2020, the Company adopted the 2020 Incentive Award Plan (“2020 Plan”), which provides for the grant of stock options, restricted stock dividend equivalents, stock payments, Restricted Stock Units (“RSUs”), Performance Restricted Stock Units (“PRSUs”), stock appreciation rights, and other stock or cash awards. A maximum of 7,159,924 shares of the Company’s common stock is available for issuance under the 2020 Plan. The number of shares available for issuance is subject to an annual increase on the first day of each year beginning in 2021 and ending in and including 2030, equal to the lesser of (1) 1% of the shares outstanding (on an as-converted basis, taking into account any and all securities convertible into, or exercisable, exchangeable or redeemable for, shares of Common Stock (including LLC Interests of Shift4 Payments, LLC)) on the last day of the immediately preceding fiscal year and (2) such smaller number of shares as determined by the Company’s board of directors.

RSUs and PRSUs

RSUs represent the right to receive shares of the Company’s Class A common stock at a specified date in the future.

RSU activity for the nine months ended September 30, 2021 was as follows:

	Nine Months Ended September 30, 2021
	Number of RSUs	Weighted Average Grant Date Fair Value
Unvested balance at beginning of period	4,840,508	$	24.35
Granted (a)	165,751	$	74.97
Vested	(3,262,321)	$	23.09
Forfeited or cancelled	(18,206)	$	45.07
Unvested balance at end of period	1,725,732	$	31.33

(a)Includes 77,326 RSUs not subject to continued service, which vested immediately in March 2021 and 35,973 RSUs issued in connection with the VenueNext acquisition, which vest at anniversary dates ranging from six months to two years.

The grant date fair value of RSUs and PRSUs subject to continued service or those that vest immediately was determined based on the price of the Company’s Class A common stock on the grant date (or, in the case of the RSUs granted in connection with the IPO, the IPO price of $23.00 per share). The grant date fair value of the RSUs issued in connection with the IPO, that are not subject to continued service, was determined using the Finnerty discount for lack of marketability pricing model, taking into account the vesting provisions on the shares prior to June 2021.

The Company recognized equity-based compensation expense of $6.3 million and $26.9 million for the three and nine months ended September 30, 2021 and $6.2 million and $56.2 million for the three and nine months ended September 30, 2020, respectively. At September 30, 2021, the total unrecognized equity-based compensation expense related to outstanding RSUs and PRSUs was $39.2 million, which is expected to be recognized over a weighted-average period of 1.82 years.

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Basic and Diluted Net Loss per Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Basic and Diluted Net Loss per Share

Basic and Diluted Net Loss per Share

The following table presents the calculation of basic and diluted net loss per share for the periods following the Reorganization Transactions under the two-class method.

Basic and diluted net loss per share of the Company is calculated for the Company's current outstanding classes of common stock. Prior to the Reorganization Transactions, the Shift4 Payments, LLC membership structure included Class A Common units and Class B Common units. Certain of these units were exchanged for Class A and Class C common stock of the Company in the Reorganization Transactions, but not in a proportionate manner, with the remaining units reflecting a noncontrolling interest in the Company. The basic and diluted net loss per share for the

nine months ended September 30, 2020 represents only the period from June 5, 2020 to September 30, 2020, the period where the Company had outstanding Class A and Class C common stock.

Basic net loss per share has been computed by dividing net loss attributable to common shareholders by the weighted average number of shares of common stock outstanding for the same period. Shares issued during the period and shares reacquired during the period are weighted for the portion of the period in which the shares were outstanding. Diluted net loss per share has been computed in a manner consistent with that of basic net loss per share while giving effect to all shares of potentially dilutive common stock that were outstanding during the period.

	Three Months Ended September 30, 2021		Three Months Ended September 30, 2020		Nine Months Ended September 30, 2021		June 5, 2020 through September 30, 2020
Net loss	$	(13.8)	$	(9.8)	$	(60.3)	$	(11.8)
Less: Net loss attributable to noncontrolling interests	(4.6)		(4.8)		(21.5)		(5.8)
Net loss attributable to Shift4 Payments, Inc.	$	(9.2)	$	(5.0)	$	(38.8)	$	(6.0)
Adjustment to net loss attributable to common stockholders	(0.1)		(0.1)		(0.6)		(0.2)
Net loss attributable to common stockholders	$	(9.3)	$	(5.1)	$	(39.4)	$	(6.2)
Numerator - Basic and Diluted:
Net loss attributable to common stockholders	$	(9.3)	$	(5.1)	$	(39.4)	$	(6.2)
Allocation of net loss among common stockholders:
Net loss allocated to Class A common stock	$	(8.2)	$	(2.8)	$	(33.5)	$	(3.3)
Net loss allocated to Class C common stock	$	(1.1)	$	(2.3)	$	(5.9)	$	(2.9)
Denominator - Basic and Diluted:
Weighted average shares of Class A common stock outstanding	49,692,599		23,309,247		46,251,576		22,363,399
Weighted average shares of Class C common stock outstanding	6,117,997		19,222,017		8,078,943		19,424,100
Net loss per share - Basic and Diluted:
Class A common stock	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)
Class C common stock	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)

The following were excluded from the calculation of diluted net loss per share as the effect would be anti-dilutive.

	Three months ended September 30, 2021	Three months ended September 30, 2020	Nine months ended September 30, 2021	June 5, 2020 through September 30, 2020
LLC Interests that convert into potential Class A common shares	27,115,975	35,567,488	28,806,699	35,567,488
RSUs and performance RSUs - employee	1,712,790	2,171,660	1,712,790	2,171,660
RSUs - non-employee directors	12,942	46,170	12,942	46,170
2025 Convertible Notes	46,130	—	49,281	—
Total	28,887,837	37,785,318	30,581,712	37,785,318

In addition, the Company has excluded from the calculation of diluted net loss per share the effect of the conversion of the 2027 Notes, as the last reported sales price of the Company's common stock was not greater than or equal to 130% of the conversion price for 20 trading days during a period of 30 consecutive trading days during the quarter ended September 30, 2021, per the terms of the agreement. As discussed in Note 10, the Company will pay in cash the $632.5 million principal of the 2027 Notes with any excess to be paid or delivered in cash or shares of the Company's Class A common stock or a combination of both at the Company's election.

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Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flows Information

Supplemental cash flows disclosures and noncash information consisted of the following:

	Nine Months Ended September 30,
	2021		2020
Cash paid for interest	$	10.5	$	33.0
Cash paid for income taxes, net of refunds	0.4		0.8
Noncash operating activities
Deferred compensation settled with restricted stock units	—		2.1
Noncash investing activities
Shares and equity-based compensation awards issued in connection with VenueNext acquisition	26.3		—
Equipment for lease	4.6		—
Capitalized software development costs	1.6		—
Capitalized acquisition costs	0.4		—
Noncash financing activities
Contingent consideration settled with Class A common stock	—		21.1
Right associated with Inspiration4 seat	2.1		—
Short-term financing for directors and officers insurance	—		3.4
Preferred return on preferred stock settled with LLC Interests	—		2.3
Offering costs not yet paid	—		0.8

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Segments

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Segments

Segments

Operating segments are defined as components of an enterprise for which discrete financial information is available that is evaluated regularly by the Chief Operating Decision Maker (“CODM”) for the purposes of allocating resources and evaluating financial performance. The Company’s CODM is the chief executive officer, who reviews financial information on a consolidated level for purposes of allocating resources and evaluating financial performance, and as such, the Company’s operations constitute one operating segment and one reportable segment.

The following table summarizes gross revenue by revenue type:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Payments-based revenue (a)	$	346.9	$	196.8	$	887.6	$	494.4
Subscription and other revenues	30.9		18.0		80.5		61.6
Total gross revenue	377.8		214.8		968.1		556.0
Less: network fees	251.9		127.1		608.4		321.8
Less: Other costs of sales (b)	61.5		36.2		165.4		107.7
Gross profit	$	64.4	$	51.5	$	194.3	$	126.5

(a) For the three and nine months ended September 30, 2021, payments-based revenue includes nonrecurring payments of $22.4 million the Company made to merchants related to the TSYS outage that are treated as contra revenue and as such reduce payments-based revenue. See Note 3 for more information about the TSYS outage.

(b) For the three and nine months ended September 30, 2021, other costs of sales includes nonrecurring payments of $2.3 million the Company made to partners related to the TSYS outage. See Note 3 for more information about the TSYS outage.

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Organization, Basis of Presentation and Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Initial Public Offering and Concurrent Private Placement

Initial Public Offering and Concurrent Private PlacementOn June 4, 2020, the Securities and Exchange Commission (“SEC”) declared effective the Company’s Registration Statement on Form S-1 (File No. 333-238307), as amended, filed in connection with its Initial Public Offering (“IPO”) (the “Registration Statement”). The Company’s Class A common stock started trading on The New York Stock Exchange on June 5, 2020. On June 9, 2020, the Company completed its IPO of 17,250,000 shares of Class A common stock, including 2,250,000 shares pursuant to the full exercise of the underwriters’ option to purchase additional shares, at a price to the public of $23.00 per share. Upon completion of the IPO, the Company received net proceeds of approximately $362.6 million, after deducting underwriting discounts and commissions and offering expenses of approximately $34.2 million. Concurrently with the IPO, the Company also completed a $100.0 million private placement of 4,625,346 shares of Class C common stock to Rook Holdings Inc. (“Rook”), a corporation wholly-owned by the Company’s Founder and Chief Executive Officer. The total net proceeds from the IPO and concurrent private placement were approximately $462.6 million. Shift4 Payments, Inc. used the proceeds to purchase newly-issued limited liability company interests from Shift4 Payments, LLC (“LLC Interests”). Shift4 Payments, LLC used these amounts received from Shift4 Payments, Inc. to repay certain existing indebtedness and for general corporate purposes. See Note 10 for more information. In connection with the IPO, the Company completed certain reorganization transactions (“Reorganization Transactions”) as described in the Company’s Form 10-K for the year ended December 31, 2020 filed with the SEC on March 8, 2021 (“2020 Form 10-K”).

Basis of Presentation

Basis of Presentation

The accompanying interim condensed consolidated financial statements of the Company are unaudited. These unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“U.S. GAAP”) and the applicable rules and regulations of the SEC for interim financial information. As such, these financial statements do not include all information and footnotes required by U.S. GAAP for complete financial statements. The December 31, 2020 Condensed Consolidated Balance Sheet was derived from audited financial statements as of that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

In the opinion of management, the unaudited condensed consolidated financial statements reflect all adjustments consisting only of normal recurring adjustments necessary to state fairly the financial position, results of operations and cash flows for the periods presented in conformity with U.S. GAAP applicable to interim periods. The results of operations for the interim periods presented are not necessarily indicative of results for the full year or future periods. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2020, as disclosed in the 2020 Form 10-K.

The unaudited condensed consolidated financial statements include the accounts of Shift4 Payments, Inc. and its wholly-owned subsidiaries. Shift4 Payments, Inc. consolidates the financial results of Shift4 Payments, LLC, which is

considered a variable interest entity (“VIE”). Shift4 Payments, Inc. is the primary beneficiary and sole managing member of Shift4 Payments, LLC and has decision making authority that significantly affects the economic performance of the entity. As a result, the Company consolidates Shift4 Payments, LLC, and reports a noncontrolling interest representing the economic interest in Shift4 Payments, LLC held by certain affiliates of Searchlight Capital Partners (“Searchlight”) and Rook (together, the “Continuing Equity Owners”).

As the Reorganization Transactions are considered transactions between entities under common control, the financial statement presentation for the periods prior to the IPO and Reorganization Transactions have been adjusted to combine the previously separate entities for presentation purposes. Prior to the Reorganization Transactions, Shift4 Payments, Inc. had no operations.

All intercompany balances and transactions have been eliminated in consolidation.

The assets and liabilities of Shift4 Payments, LLC represent substantially all of the consolidated assets and liabilities of Shift4 Payments, Inc. with the exception of certain cash balances and the aggregate principal amount of $690.0 million of 2025 Convertible Notes and $632.5 million of 2027 Convertible Notes that are held by Shift4 Payments, Inc. directly. See Note 10 for information about the 2025 Convertible Notes and the 2027 Convertible Notes. In connection with the issuance of each the 2025 Convertible Notes and the 2027 Convertible Notes, Shift4 Payments, Inc. entered into an intercompany convertible promissory note (“Intercompany Convertible Note”) with Shift4 Payments, LLC, whereby Shift4 Payments, Inc. provided the net proceeds from the issuance of the 2025 Convertible Notes and the 2027 Convertible Notes to Shift4 Payments, LLC in the amount of $673.6 million and $617.7 million, respectively. The terms of each Intercompany Convertible Note mirror the terms of each the 2025 Convertible Notes and the 2027 Convertible Notes issued by Shift4 Payments, Inc. The intent of each Intercompany Convertible Note is to maintain the parity of shares of Class A common stock with LLC Units as required by the Shift4 Payments LLC Agreement. As of September 30, 2021 and December 31, 2020, $9.6 million and $684.5 million of cash was held by Shift4 Payments, Inc., respectively. Shift4 Payments Inc., which was established November 5, 2019, has not had any material operations on a standalone basis since its inception, and all of the operations of the Company are carried out by Shift4 Payments, LLC and its subsidiaries.

Liquidity and Managements Plan

Liquidity and Management’s Plan

The unprecedented and rapid spread of COVID-19 as well as the shelter-in place orders, promotion of social distancing measures, restrictions to businesses deemed non-essential, and travel restrictions implemented throughout the United States have significantly impacted the restaurant and hospitality industries. As a result, the Company’s revenues, which are largely tied to processing volumes in these verticals, were materially impacted beginning in the final two weeks of March 2020. Since late March 2020, despite volumes in merchant categories associated with international travel and corporate travel running lower than pre-COVID-19 pandemic levels, the Company has seen a significant recovery in its end-to-end payment volumes as a result of merchants reopening their operations, new merchant onboarding and gateway conversions. While gross revenue and end-to-end volumes for the three and nine months ended September 30, 2021 have exceeded those for the three and nine months ended September 30, 2020, the Company will continue to evaluate the nature and extent of potential COVID-19-related impacts to its business, consolidated results of operations, and liquidity.

As of September 30, 2021, the Company had $1,772.5 million outstanding under its credit facilities and was in compliance with the financial covenants under its debt agreements. The Company expects to be in compliance for at least 12 months following issuance of these unaudited condensed consolidated financial statements. See Note 10 for further information on the Company’s debt obligations.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP, requires management to make estimates and assumptions that affect the amounts reported in the unaudited condensed consolidated financial statements and accompanying notes. Significant estimates inherent in the preparation of the accompanying unaudited condensed consolidated financial statements include estimates of fair value of acquired assets and liabilities through business combinations, fair value of contingent liabilities related to earnout payments and change of control, fair value of debt instruments, allowance for doubtful accounts, income taxes, investments in securities, noncontrolling interests and the February 2021 transfer of the right to select a participant for one seat on board Inspiration4, the first all-civilian mission to space, from Jared Isaacman, the Company’s Chief Executive Officer and founder (“Founder”). Estimates are based on past experience and other considerations reasonable under the circumstances. Actual results may differ from these estimates.

Additionally, the full impact of the COVID-19 pandemic is unknown and cannot be reasonably estimated. However, the Company has made accounting estimates based on the facts and circumstances available as of the reporting date. To the extent there are differences between these estimates and actual results, the unaudited condensed consolidated financial statements may be materially affected.

Revision of Previously Issued Financial Statements

Revision of Previously Issued Financial Statements

During the course of preparing the Company’s consolidated financial statements for the year ended December 31, 2020, it was identified that $4.8 million of acquired technology recorded in “Other intangible assets, net” in the Consolidated Balance Sheet should have been impaired during fiscal year 2018. Although the Company has determined that this error did not have a material impact on its previously issued condensed consolidated financial statements, it has revised the accompanying condensed consolidated financial statements to correct for this error and to reflect the associated decrease in amortization expense of $0.1 million and $0.4 million recorded in “Cost of Sales” for the three and nine months ended September 30, 2020, respectively.

In addition, a misclassification of $0.1 million and $2.2 million was identified for the three and nine months ended September 30, 2020, respectively, resulting from expensing equipment provided to customers under the Company’s warranty program as “General and administrative expenses” which should have been classified as “Cost of sales” in the unaudited Condensed Consolidated Statements of Operations. This misclassification has also been corrected in connection with the revision of the unaudited Condensed Consolidated Statements of Operations. The revisions had no net impact on cash flows from operating, investing or financing activities in the unaudited Condensed Consolidated Statements of Cash Flows.

The applicable notes to the unaudited condensed consolidated financial statements have also been revised to correct for these errors. The following table sets forth the effects of the revisions to the previously issued unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2020 to correct for the prior period errors.

	For the three months ended September 30, 2020						For the nine months ended September 30, 2020
Consolidated Statements of Operations	As previously reported		Adjustment		As revised		As previously reported		Adjustment		As revised
Cost of sales	$	163.3	$	—	$	163.3	$	427.7	$	1.8	$	429.5
Gross profit	51.5		—		51.5		128.3		(1.8)		126.5
General and administrative expenses	35.5		(0.1)		35.4		147.0		(2.2)		144.8
Total operating expenses	55.5		(0.1)		55.4		180.8		(2.2)		178.6
Income (loss) from operations	(4.0)		0.1		(3.9)		(52.5)		0.4		(52.1)
Loss before income taxes	(10.6)		0.1		(10.5)		(91.1)		0.4		(90.7)
Net loss (a)	(9.9)		0.1		(9.8)		(90.1)		0.4		(89.7)
Basic and diluted net loss per share - Class A and Class C	(0.12)		—		(0.12)		(0.15)		—		(0.15)

(a)Net loss is equal to comprehensive loss.

As a result of the revisions, "Retained Deficit" and "Total equity (deficit)” as of September 30, 2020 were revised from $(262.6) million to $(266.3) million and $557.5 million to $553.9 million, respectively.

Significant Accounting Policies

Significant Accounting Policies

The Company’s significant accounting policies are discussed in Note 2 to Shift4 Payments, Inc.’s consolidated financial statements as of and for the years ended December 31, 2020 and 2019 in the 2020 Form 10-K. There have been no significant changes to these policies which have had a material impact on the Company’s unaudited condensed consolidated financial statements and related notes during the nine months ended September 30, 2021, except as noted below.

Investments in securities

Investments in securities represents the Company’s investments in equity of non-public entities. These non-marketable equity investments have no readily determinable fair values and are measured using the measurement alternative,

which is defined as cost, less impairment, adjusted for observable price changes from orderly transactions for identical or similar investments of the same issuer. Adjustments, if any, are recorded in “Other income, net” on the unaudited Condensed Consolidated Statements of Operations. As of September 30, 2021, the Company has invested $27.5 million in Space Exploration Technologies Corp. (“SpaceX”), which designs, manufactures, and launches advanced rockets, spacecraft and satellites and $2.0 million in Sightline Payments, Inc. (“Sightline Payments”), a financial technology company that provides cashless, mobile, and omni-channel commerce solutions for the gaming, lottery, sports betting and other industries.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

The Company, an emerging growth company (“EGC”), has elected to take advantage of the benefits of the extended transition period provided for in Section 7(a)(2)(B) of the Securities Act, for complying with new or revised accounting standards which allows the Company to defer adoption of certain accounting standards until those standards would otherwise apply to private companies. The Company expects to become a large accelerated filer effective December 31, 2021, following which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies.

Accounting Pronouncements Adopted

In October 2021, the FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities From Contracts With Customers. This ASU requires an acquirer to account for revenue contracts acquired in a business combination in accordance with ASC 606, Revenue from Contracts with Customers, as if it had originated the contracts. Prior to ASU 2021-08, an acquirer generally recognized assets acquired and liabilities assumed in a business combination, including contract assets and contract liabilities arising from revenue contracts with customers and other similar contracts, at fair value on the acquisition date. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. The guidance is effective for the Company for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, and should be applied prospectively to business combinations occurring on or after the effective date. Early adoption is permitted. An entity that early adopts in an interim period should apply the amendments (1) retrospectively to all business combinations for which the acquisition date occurs on or after the beginning of the fiscal year that includes the interim period of early application and (2) prospectively to all business combinations that occur on or after the date of initial application. The Company adopted ASU 2021-08 in the third quarter of 2021 and retrospectively applied the ASU to its acquisitions that occurred in 2021. The adoption of ASU 2021-08 resulted in an increase to “Deferred revenue” of $5.7 million, of which $1.8 million was recognized as an increase to “Gross revenue” for the three and nine months ended September 30, 2021. The impact on net loss per Class A and Class C share, basic and diluted, was $0.03 for both the three and nine months ended September 30, 2021.

In August 2020, the FASB issued ASU 2020-06, Debt-Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging-Contracts in Entity's Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity's Own Equity. This ASU removes certain separation models in ASC 470-20 for convertible instruments, and, as a result, embedded conversion features that do not require bifurcation under ASC 815 are no longer subject to separation into an equity classified component. Consequently, a convertible debt instrument, such as the Company's 2025 Convertible Notes, shall be accounted for as a single liability measured at its amortized cost. The Company adopted ASU 2020-06 on January 1, 2021 using the modified retrospective transition method. As of December 31, 2020, the Company had recorded a discount on the 2025 Convertible Notes of $111.5 million related to the separation of the conversion feature. This discount resulted in the accretion of interest expense over time and was removed upon adoption of this ASU. The adoption of ASU 2020-06 resulted in a decrease to additional paid-in capital of $111.5 million, a decrease to retained deficit of $1.6 million and a net increase to long-term debt of $109.9 million. Interest expense recognized in future periods will be reduced as a result of accounting for the convertible debt instrument as a single liability measured at its amortized cost. The impact on net loss per share and the Company’s debt covenants was not material.

In August 2018, the FASB issued ASU 2018-13: Fair Value Measurement—Disclosure Framework (Topic 820). The updated guidance improves the disclosure requirements on fair value measurements. The Company adopted ASU 2018-13 effective January 1, 2020 and there was no significant impact on the Company’s disclosures upon adoption.

Accounting Pronouncements Not Yet Adopted

In February 2016, the FASB issued ASU 2016-02: Leases. The new standard requires a lessee to record assets and liabilities on the balance sheet for the rights and obligations arising from leases with terms of more than 12 months. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in the annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In June 2016, the FASB issued ASU 2016-13: Financial Instruments—Credit Losses (Topic 326), which changes the impairment model for most financial assets, including accounts receivable, and replaces the existing incurred loss impairment model with an expected loss methodology, which will result in more timely recognition of credit losses. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in our annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The Company is evaluating the potential impact of adopting ASU 2016-13 on the Company’s consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04: Simplifying the Test for Goodwill Impairment, which removes step 2 of the quantitative goodwill impairment test. Under the amended guidance, a goodwill impairment charge is recognized for the amount by which the carrying value of a reporting unit exceeds its fair value, not to exceed the carrying amount of goodwill. The Company expects to apply this guidance to the annual goodwill impairment test performed on October 1, 2021 for the year ended December 31, 2021. The Company is evaluating the potential impact of adopting ASU 2017-04 on the Company’s consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement that is a Service Contract. ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal use software license). The accounting for the service element of a hosting arrangement that is a service contract is not affected. The guidance is effective for the Company for annual reporting periods beginning after December 15, 2020, and interim reporting periods beginning after December 15, 2021. The Company adopted ASU 2018-15 prospectively for the Company’s annual reporting period effective January 1, 2021 and will adopt it for interim reporting periods beginning on January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. ASU 2019-12 removes certain exceptions associated with (i) intraperiod tax allocations, (ii) recognition of deferred tax liability for equity method investments of foreign subsidiaries, and (iii) the calculation of income taxes in an interim period when in a loss position. Additionally, ASU 2019-12 simplifies accounting for (i) income taxes associated with franchise taxes, (ii) tax basis of goodwill in a business combination, (iii) the allocation of tax expense to a legal entity that is not subject to tax in standalone financial statements, (iv) enacted changes in tax laws, and (v) income taxes related to employee stock ownership plans and investments in qualified affordable housing projects accounted for under the equity method. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt this guidance on a modified retrospective basis on December 31, 2021 and to reflect the adoption as of January 1, 2021 in our annual results for the period ended December 31, 2021 and interim periods beginning January 1, 2022. The adoption is not expected to have a significant impact on the Company’s consolidated financial statements.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform, which provides optional expedients and exceptions for applying U.S. GAAP to contract modifications and hedging relationships, subject to certain criteria, that reference the London Interbank Offered Rate (“LIBOR”), or another reference rate that is expected to be discontinued. The guidance in ASU 2020-04 is optional and may be elected over time as reference rate reform activities occur. The Company is currently evaluating whether it will elect the optional expedients, as well as evaluating the impact of ASU 2020-04 on the Company’s consolidated financial statements.

In July 2021, the FASB issued ASU 2021-05: Lessors —Certain Leases with Variable Lease Payments, to amend lessor accounting for certain leases with variable lease payments that do not depend on a reference index or a rate and

would have resulted in the recognition of a loss at lease commencement if classified as a sales-type or a direct financing lease. ASU 2021-05 amends the classification requirements of such leases for lessors to result in an operating lease classification. This guidance can be applied either retrospectively or prospectively with early adoption permitted. The Company expects to become a large accelerated filer effective December 31, 2021, at which point the Company will follow the timeline for adoption of new accounting pronouncements for public companies. As a result, the Company expects to adopt ASU 2021-05 effective January 1, 2022. The Company is evaluating the method of adoption and the potential impact of adopting ASU 2021-05 on the Company’s consolidated financial statements.

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Organization, Basis of Presentation and Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Effect of Revisions

The following table sets forth the effects of the revisions to the previously issued unaudited Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2020 to correct for the prior period errors.

	For the three months ended September 30, 2020						For the nine months ended September 30, 2020
Consolidated Statements of Operations	As previously reported		Adjustment		As revised		As previously reported		Adjustment		As revised
Cost of sales	$	163.3	$	—	$	163.3	$	427.7	$	1.8	$	429.5
Gross profit	51.5		—		51.5		128.3		(1.8)		126.5
General and administrative expenses	35.5		(0.1)		35.4		147.0		(2.2)		144.8
Total operating expenses	55.5		(0.1)		55.4		180.8		(2.2)		178.6
Income (loss) from operations	(4.0)		0.1		(3.9)		(52.5)		0.4		(52.1)
Loss before income taxes	(10.6)		0.1		(10.5)		(91.1)		0.4		(90.7)
Net loss (a)	(9.9)		0.1		(9.8)		(90.1)		0.4		(89.7)
Basic and diluted net loss per share - Class A and Class C	(0.12)		—		(0.12)		(0.15)		—		(0.15)

(a)Net loss is equal to comprehensive loss.

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2021

Postec

Business Acquisition [Line Items]

Schedule of Assets Acquired and Liabilities Assumed

The following table summarizes the fair value assigned to the assets acquired and liabilities assumed at the acquisition date. These amounts reflect various preliminary fair value estimates and assumptions, and are subject to change within the measurement period as valuations are finalized. The primary areas of preliminary purchase price allocation subject

to change relate to the valuation of accounts receivable, accrued expenses and other current liabilities assumed and residual goodwill.

Cash	$	1.7
Accounts receivable	1.2
Prepaid expenses and other current assets	0.3
Inventory	0.6
Other intangible assets	5.6
Property, plant and equipment	0.3
Goodwill (a)	10.3
Accounts payable	(1.0)
Deferred revenue	(2.8)
Other accrued expenses	(0.5)
Net assets acquired	15.7
Less: cash acquired	(1.7)
Net assets acquired	$	14.0

(a)Goodwill is deductible for tax purposes.

VenueNext

Business Acquisition [Line Items]

Schedule of Assets Acquired and Liabilities Assumed

The following table summarizes the fair value assigned to the assets acquired and liabilities assumed at the acquisition date. These amounts reflect various preliminary fair value estimates and assumptions, and are subject to change within the measurement period as valuations are finalized. The primary areas of preliminary purchase price allocation subject to change relate to the valuation of accounts receivable, accrued expenses, other current liabilities assumed and residual goodwill.

Accounts receivable	$	0.7
Prepaid expenses and other current assets	0.2
Inventory	0.2
Other intangible assets	19.8
Goodwill (a)	52.7
Accounts payable	(0.9)
Deferred revenue	(5.8)
Net assets acquired	$	66.9

(a)Goodwill is not deductible for tax purposes.

Schedule of Purchase Price Included the Forms of Consideration

The purchase price included the following forms of consideration:

Cash	$	42.2
Shares of Class A common stock (a)	24.5
RSUs granted for fair value of equity-based compensation awards (b)	1.8
Total purchase consideration	68.5
Less: cash acquired	(1.6)
Total purchase consideration, net of cash acquired	$	66.9

(a)Total purchase consideration includes 345,423 shares of common stock. As of September 30, 2021, 341,924 shares of common stock have been issued.

(b)The Company assumed all equity awards held by continuing employees. The portion of the fair value of the equity-based compensation awards associated with prior service of VenueNext employees represents a component of the total consideration as presented above and was valued based on the fair value of the VenueNext awards on March 3, 2021, the acquisition date.

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Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Based on similar operational characteristics, the Company’s revenue from contracts with customers is disaggregated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Payments-based revenue (a)	$	346.9	$	196.8	$	887.6	$	494.4
Subscription and other revenues	30.9		18.0		80.5		61.6
Total	$	377.8	$	214.8	$	968.1	$	556.0

Based on similar economic characteristics, the Company’s revenue from contracts with customers is disaggregated as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Over-time revenue (a)	$	366.9	$	210.3	$	938.2	$	533.8
Point-in-time revenue	10.9		4.5		29.9		22.2
Total	$	377.8	$	214.8	$	968.1	$	556.0

(a) For the three and nine months ended September 30, 2021, payments-based revenue includes nonrecurring payments of $22.4 million the Company made to merchants related to the TSYS outage that are treated as contra revenue and as such reduce payments-based revenue.

Summary of Annual Service Fees and Regulatory Compliance Fees

The following reflects the amounts the Company recognized as annual service fees and regulatory compliance fees within “Gross revenue” in the unaudited Condensed Consolidated Statements of Operations and the amount of such fees that was included in deferred revenue at the beginning of the respective period.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Annual service fees and regulatory compliance fees	$	8.8	$	3.5	$	18.9	$	10.3
Amount of these fees included in deferred revenue at beginning of period	4.4		2.6		4.4		3.3

Schedule of Changes in Allowance for Doubtful Accounts

The change in the Company’s allowance for doubtful accounts was as follows:

	September 30, 2021		September 30, 2020
Beginning balance	$	5.7	$	2.5
Additions to expense (a)	10.3		6.2
Write-offs, net of recoveries and other adjustments	(2.6)		(2.8)
Ending balance	$	13.4	$	5.9

(a)Includes a $5.5 million allowance on chargebacks from a single merchant recorded during the nine months ended September 30, 2021, which is included in “Cost of Sales” on the unaudited Condensed Consolidated Statements of Operations.

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Restructuring (Tables)

9 Months Ended

Sep. 30, 2021

Restructuring and Related Activities [Abstract]

Summary of Changes in Restructuring Accrual

The following table summarizes the changes in the Company’s restructuring accrual:

Balance at December 31, 2020	$	2.9
Severance payments	(1.2)
Accretion of interest (a)	0.2
Balance at September 30, 2021	$	1.9

(a)Accretion of interest is included within “Restructuring expenses” in the unaudited Condensed Consolidated Statements of Operations.

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Goodwill (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill were as follows:

Balance at December 31, 2020	$	477.0
VenueNext acquisition (Note 2)	52.7
Postec acquisition (Note 2)	10.3
Hospitality Technology Vendor measurement period adjustments (Note 2)	(2.4)
Balance at September 30, 2021	$	537.6

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Other Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Other Intangible Assets, Net

Other intangible assets, net consisted of the following:

	Weighted Average Amortization Period (in years)	September 30, 2021
		Carrying Value		Accumulated Amortization		Net Carrying Value
Merchant relationships	8	$	200.1	$	126.7	$	73.4
Acquired technology	9	113.2		51.7		61.5
Trademarks and trade names	18	20.3		3.4		16.9
Capitalized software development costs	4	36.2		7.9		28.3
Residual commission buyouts (a)	3	13.2		5.0		8.2
Total intangible assets		$	383.0	$	194.7	$	188.3

	Weighted Average Amortization Period (in years)	December 31, 2020
		Carrying Value		Accumulated Amortization		Net Carrying Value
Merchant relationships	8	$	185.8	$	106.5	$	79.3
Acquired technology	9	105.1		42.2		62.9
Trademarks and trade names	9	57.4		39.1		18.3
Noncompete agreements	2	3.9		3.9		—
Capitalized software development costs	4	25.1		5.8		19.3
Leasehold interest	2	0.1		0.1		—
Residual commission buyouts (a)	3	20.0		13.5		6.5
Total intangible assets		$	397.4	$	211.1	$	186.3

(a)Residual commission buyouts include contingent payments of $3.9 million and $3.4 million as of September 30, 2021 and December 31, 2020, respectively.

Schedule of Estimated Amortization Expense for Intangible Assets

As of September 30, 2021, the estimated amortization expense for intangible assets for each of the five succeeding years and thereafter is as follows:

2021 (remaining three months)	$	14.1
2022	43.6
2023	30.9
2024	25.8
2025	23.2
Thereafter	50.7
Total	$	188.3

Schedule of Amounts Charged to Expense in Amortization of Intangible Assets

Amounts charged to expense in the unaudited Condensed Consolidated Statements of Operations for amortization of intangible assets were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Depreciation and amortization expense	$	8.2	$	9.8	$	27.7	$	28.7
Cost of sales	4.9		3.3		14.1		10.2
Total	$	13.1	$	13.1	$	41.8	$	38.9

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Capitalized Acquisition Costs, Net (Tables)

9 Months Ended

Sep. 30, 2021

Capitalized Acquisition Costs, Net [Abstract]

Summary of Estimated Future Amortization Expense for Capitalized Acquisition Costs

As of September 30, 2021, the estimated future amortization expense for capitalized acquisition costs is as follows:

2021 (remaining three months)	$	5.4
2022	17.1
2023	9.8
2024	2.0
Total	$	34.3

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Equipment for Lease, Net (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedule of Equipment for Lease, Net

Equipment for lease, net consisted of the following:

	Weighted Average Depreciation Period (in years)	September 30, 2021
		Carrying Value		Accumulated Depreciation		Net Carrying Value
Equipment under lease	3	$	65.5	$	18.5	$	47.0
Equipment held for lease (a)	N/A	9.3		—		9.3
Total equipment for lease		$	74.8	$	18.5	$	56.3

	Weighted Average Depreciation Period (in years)	December 31, 2020
		Carrying Value		Accumulated Depreciation		Net Carrying Value
Equipment under lease	3	$	36.5	$	6.9	$	29.6
Equipment held for lease (a)	N/A	7.0		—		7.0
Total equipment for lease, net		$	43.5	$	6.9	$	36.6

(a)Represents equipment that was not yet initially deployed to a merchant and, accordingly, is not being depreciated.

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Property, Plant and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment, Net

Property, plant and equipment, net consisted of the following:

	September 30, 2021		December 31, 2020
Equipment	$	11.4	$	16.0
Capitalized software	8.5		8.7
Leasehold improvements	8.5		11.6
Furniture and fixtures	2.0		3.1
Vehicles	0.3		0.2
Total property and equipment, gross	30.7		39.6
Less: Accumulated depreciation	(12.9)		(24.5)
Total property, plant and equipment, net	$	17.8	$	15.1

Summary of Amounts Charged to Expense in the Unaudited Condensed Consolidated Statements of Operations for Depreciation

Amounts charged to expense in the unaudited Condensed Consolidated Statements of Operations for depreciation of property, plant and equipment were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Depreciation and amortization expense	$	1.0	$	0.8	$	2.8	$	2.7
Cost of sales	0.5		0.4		1.3		1.2
Total depreciation expense	$	1.5	$	1.2	$	4.1	$	3.9

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Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Summary of Outstanding Debt

The Company’s outstanding debt consisted of the following:

	September 30, 2021		December 31, 2020
Convertible Notes due 2025 (2025 Convertible Notes)	$	690.0	$	577.5
Convertible Notes due 2027 (2027 Convertible Notes)	632.5		—
Senior Notes due 2026 (2026 Senior Notes)	450.0		450.0
Other financing arrangements	—		0.9
Total borrowings	1,772.5		1,028.4
Less: Current portion of debt	—		(0.9)
	1,772.5		1,027.5
Less: Unamortized capitalized financing costs	(35.7)		(22.1)
Total long-term debt	$	1,736.8	$	1,005.4

Summary of Net Carrying Amount of Convertible Notes

The net carrying amount of the 2025 Convertible Notes was as follows:

	September 30, 2021		December 31, 2020
Principal outstanding	$	690.0	$	690.0
Unamortized debt discount	—		(112.5)
Unamortized debt issuance costs	(13.7)		(13.5)
Net carrying value	$	676.3	$	564.0

The net carrying amount of the 2027 Convertible Notes was as follows:

	September 30, 2021
Principal outstanding	$	632.5
Unamortized debt issuance costs	(14.5)
Net carrying value	$	618.0

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Other Consolidated Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2021

Other Consolidated Balance Sheet Components [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	September 30, 2021		December 31, 2020
Prepaid insurance	$	4.5	$	2.5
Prepaid merchant signing bonuses (a)	1.4		—
Other prepaid expenses (b)	5.8		6.5
Taxes receivable	1.1		1.2
Agent and employee loan receivables	0.2		0.3
Other current assets	0.2		1.0
Total prepaid expenses and other current assets	$	13.2	$	11.5

(a)Represents deal bonuses paid to merchants to obtain processing contracts, which are amortized over their contractual term of one year.

(b)Includes prepayments related to information technology, rent, tradeshows and conferences.

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	September 30, 2021		December 31, 2020
Residuals payable	$	12.1	$	6.8
Accrued interest	9.2		3.6
Deferred employer social security tax pursuant to the CARES Act	3.0		3.0
Deferred tenant reimbursement allowance	2.8		3.1
Accrued payroll	2.3		2.8
Escrow payable	—		2.3
Accrued rent	1.5		1.5
Taxes payable	1.3		1.4
Restructuring accrual	1.5		1.4
Other current liabilities	3.7		4.2
Total accrued expenses and other current liabilities	$	37.4	$	30.1

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Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Reconciliation of Beginning and Ending Balances for Level 3 Contingent Liabilities

The table below provides a reconciliation of the beginning and ending balances for the Level 3 contingent liabilities:

	Nine Months Ended September 30,
	2021		2020
Balance at beginning of period	$	—	$	32.3
Additions (a)	—		1.7
Cash payments made for contingent liabilities related to earnout payments	(0.2)		(2.3)
Contingent liabilities related to change of control settled with Class A common stock and restricted stock units	—		(23.2)
Fair value adjustments	0.2		(7.6)
Balance at end of period	$	—	$	0.9

(a)During the three months ended March 31, 2020, certain employment compensation agreements were amended. Consequently, previously recorded deferred compensation liabilities of $1.9 million associated with these agreements, included within “Other noncurrent liabilities” on the Consolidated Balance Sheet at December 31, 2019, were derecognized and new liabilities of $1.7 million were recognized at fair value within “Other noncurrent liabilities” on the unaudited Condensed Consolidated Balance Sheets. These contingent liabilities were settled at the IPO for 89,842 restricted stock units.

Summary of Estimated Fair Value

The estimated fair value of the Company's outstanding debt using quoted prices from over-the-counter markets, considered Level 2 inputs, was as follows.

	September 30, 2021				December 31, 2020
	Carrying Value		Fair Value		Carrying Value		Fair Value
2025 Convertible Notes	$	690.0	$	835.4	$	690.0	$	843.9
2026 Senior Notes	450.0		470.8		450.0		468.0
2027 Convertible Notes	632.5		647.5		—		—
Total	$	1,772.5	$	1,953.7	$	1,140.0	$	1,311.9

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Operating Lease Agreements (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Summary of Future Minimum Rental Payments Under Operating Lease

The following are the future minimum rental payments required under the operating leases as of September 30, 2021:

2021 (remaining three months)	$	1.6
2022	4.9
2023	4.0
2024	3.9
2025	3.4
Thereafter	6.9
Total	$	24.7

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Noncontrolling Interests (Tables)

9 Months Ended

Sep. 30, 2021

Noncontrolling Interest [Abstract]

Summary of Ownership of LLC Interests

The following table summarizes the ownership of LLC Interests in Shift4 Payments, LLC:

	LLC Interests			Ownership percentage
	Shift4 Payments, Inc.	Continuing Equity Owners	Total	Shift4 Payments, Inc.		Continuing Equity Owners		Total
Balances at December 31, 2020	49,926,802	30,625,857	80,552,659	62.0	%	38.0	%	100.0	%
Issuance of LLC units	2,368,493	—	2,368,493	1.0	%	(1.0	%)	—
Redemption of LLC units	4,353,203	(4,353,203)	—	5.3	%	(5.3	%)	—
Balances at September 30, 2021	56,648,498	26,272,654	82,921,152	68.3	%	31.7	%	100.0	%

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Equity-based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of RSU Activity

RSU activity for the nine months ended September 30, 2021 was as follows:

	Nine Months Ended September 30, 2021
	Number of RSUs	Weighted Average Grant Date Fair Value
Unvested balance at beginning of period	4,840,508	$	24.35
Granted (a)	165,751	$	74.97
Vested	(3,262,321)	$	23.09
Forfeited or cancelled	(18,206)	$	45.07
Unvested balance at end of period	1,725,732	$	31.33

(a)Includes 77,326 RSUs not subject to continued service, which vested immediately in March 2021 and 35,973 RSUs issued in connection with the VenueNext acquisition, which vest at anniversary dates ranging from six months to two years.

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Basic and Diluted Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Calculation of Basic and Diluted Net Loss Per Share

The following table presents the calculation of basic and diluted net loss per share for the periods following the Reorganization Transactions under the two-class method.

Basic and diluted net loss per share of the Company is calculated for the Company's current outstanding classes of common stock. Prior to the Reorganization Transactions, the Shift4 Payments, LLC membership structure included Class A Common units and Class B Common units. Certain of these units were exchanged for Class A and Class C common stock of the Company in the Reorganization Transactions, but not in a proportionate manner, with the remaining units reflecting a noncontrolling interest in the Company. The basic and diluted net loss per share for the

nine months ended September 30, 2020 represents only the period from June 5, 2020 to September 30, 2020, the period where the Company had outstanding Class A and Class C common stock.

Basic net loss per share has been computed by dividing net loss attributable to common shareholders by the weighted average number of shares of common stock outstanding for the same period. Shares issued during the period and shares reacquired during the period are weighted for the portion of the period in which the shares were outstanding. Diluted net loss per share has been computed in a manner consistent with that of basic net loss per share while giving effect to all shares of potentially dilutive common stock that were outstanding during the period.

	Three Months Ended September 30, 2021		Three Months Ended September 30, 2020		Nine Months Ended September 30, 2021		June 5, 2020 through September 30, 2020
Net loss	$	(13.8)	$	(9.8)	$	(60.3)	$	(11.8)
Less: Net loss attributable to noncontrolling interests	(4.6)		(4.8)		(21.5)		(5.8)
Net loss attributable to Shift4 Payments, Inc.	$	(9.2)	$	(5.0)	$	(38.8)	$	(6.0)
Adjustment to net loss attributable to common stockholders	(0.1)		(0.1)		(0.6)		(0.2)
Net loss attributable to common stockholders	$	(9.3)	$	(5.1)	$	(39.4)	$	(6.2)
Numerator - Basic and Diluted:
Net loss attributable to common stockholders	$	(9.3)	$	(5.1)	$	(39.4)	$	(6.2)
Allocation of net loss among common stockholders:
Net loss allocated to Class A common stock	$	(8.2)	$	(2.8)	$	(33.5)	$	(3.3)
Net loss allocated to Class C common stock	$	(1.1)	$	(2.3)	$	(5.9)	$	(2.9)
Denominator - Basic and Diluted:
Weighted average shares of Class A common stock outstanding	49,692,599		23,309,247		46,251,576		22,363,399
Weighted average shares of Class C common stock outstanding	6,117,997		19,222,017		8,078,943		19,424,100
Net loss per share - Basic and Diluted:
Class A common stock	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)
Class C common stock	$	(0.17)	$	(0.12)	$	(0.72)	$	(0.15)

Schedule of Calculation of Diluted Net Loss Per Share as the Effect Would be Anti-dilutive

The following were excluded from the calculation of diluted net loss per share as the effect would be anti-dilutive.

	Three months ended September 30, 2021	Three months ended September 30, 2020	Nine months ended September 30, 2021	June 5, 2020 through September 30, 2020
LLC Interests that convert into potential Class A common shares	27,115,975	35,567,488	28,806,699	35,567,488
RSUs and performance RSUs - employee	1,712,790	2,171,660	1,712,790	2,171,660
RSUs - non-employee directors	12,942	46,170	12,942	46,170
2025 Convertible Notes	46,130	—	49,281	—
Total	28,887,837	37,785,318	30,581,712	37,785,318

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Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2021

Supplemental Cash Flow Information [Abstract]

Summary of Supplemental Cash Flows and Noncash Information

Supplemental cash flows disclosures and noncash information consisted of the following:

	Nine Months Ended September 30,
	2021		2020
Cash paid for interest	$	10.5	$	33.0
Cash paid for income taxes, net of refunds	0.4		0.8
Noncash operating activities
Deferred compensation settled with restricted stock units	—		2.1
Noncash investing activities
Shares and equity-based compensation awards issued in connection with VenueNext acquisition	26.3		—
Equipment for lease	4.6		—
Capitalized software development costs	1.6		—
Capitalized acquisition costs	0.4		—
Noncash financing activities
Contingent consideration settled with Class A common stock	—		21.1
Right associated with Inspiration4 seat	2.1		—
Short-term financing for directors and officers insurance	—		3.4
Preferred return on preferred stock settled with LLC Interests	—		2.3
Offering costs not yet paid	—		0.8

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Segments (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Summary of Gross Revenue by Revenue

The following table summarizes gross revenue by revenue type:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Payments-based revenue (a)	$	346.9	$	196.8	$	887.6	$	494.4
Subscription and other revenues	30.9		18.0		80.5		61.6
Total gross revenue	377.8		214.8		968.1		556.0
Less: network fees	251.9		127.1		608.4		321.8
Less: Other costs of sales (b)	61.5		36.2		165.4		107.7
Gross profit	$	64.4	$	51.5	$	194.3	$	126.5

(a) For the three and nine months ended September 30, 2021, payments-based revenue includes nonrecurring payments of $22.4 million the Company made to merchants related to the TSYS outage that are treated as contra revenue and as such reduce payments-based revenue. See Note 3 for more information about the TSYS outage.

(b) For the three and nine months ended September 30, 2021, other costs of sales includes nonrecurring payments of $2.3 million the Company made to partners related to the TSYS outage. See Note 3 for more information about the TSYS outage.

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Organization, Basis of Presentation and Significant Accounting Policies - Narrative (Details) - USD ($)			3 Months Ended					4 Months Ended	9 Months Ended				12 Months Ended
		Jun. 09, 2020	Sep. 30, 2021		Mar. 31, 2021	Sep. 30, 2020		Sep. 30, 2020	Sep. 30, 2021		Sep. 30, 2020		Dec. 31, 2020	Feb. 28, 2021	Dec. 31, 2019
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued and sold (in shares)									2,368,493
Proceeds from issuance of common stock									$ 0		$ 93,400,000
Debt instrument, face amount															$ 650,000,000
Cash			$ 9,600,000						9,600,000				$ 684,500,000
Outstanding debt			1,772,500,000						1,772,500,000				1,028,400,000
Other intangible assets, net			188,300,000						188,300,000				186,300,000
General and administrative expense, misclassification amount			(48,100,000)			$ (35,400,000)			(153,300,000)		(144,800,000)
Retained deficit			(315,900,000)			(266,300,000)		$ (266,300,000)	(315,900,000)		(266,300,000)		(278,700,000)
Total equity (deficit)			298,400,000			553,900,000		553,900,000	$ 298,400,000		553,900,000		459,600,000
Accounting Standards Update [Extensible List]					ASU 2020-06				Accounting Standards Update 2021-08
Adjustment to deferred revenue			16,800,000						$ 16,800,000				7,800,000
Gross revenue	[1]		377,800,000			214,800,000			968,100,000		556,000,000.0
Additional paid-in capital			(614,300,000)						(614,300,000)				(738,300,000)	$ (2,100,000)
Sightline Payments
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Investments in securities			2,000,000						2,000,000
Space Exploration Technologies Corp
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Investments in securities			27,500,000						27,500,000
Previously Reported
Organization Consolidation And Presentation Of Financial Statements [Line Items]
General and administrative expense, misclassification amount						(35,500,000)					(147,000,000.0)
Retained deficit						(262,600,000)		(262,600,000)			(262,600,000)
Total equity (deficit)						557,500,000		$ 557,500,000			557,500,000
Error Correction, Adjustment | Cost of sales
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Amortization expense						100,000					400,000
Adjustment
Organization Consolidation And Presentation Of Financial Statements [Line Items]
General and administrative expense, misclassification amount						$ 100,000					$ 2,200,000
Revision of Prior Period, Accounting Standards Update, Adjustment
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Adjustment to deferred revenue			5,700,000						5,700,000
Gross revenue			1,800,000						1,800,000
Acquired technology
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Other intangible assets, net			61,500,000						61,500,000				62,900,000
Acquired technology | Previously Reported
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Other intangible assets, net													4,800,000
Senior Notes Due 2025
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Debt instrument, face amount			690,000,000						690,000,000
Senior Notes Due 2027
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Debt instrument, face amount			632,500,000						632,500,000
Convertible Notes Due 2025
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Debt instrument, face amount			690,000,000.0						690,000,000.0				690,000,000
Proceeds from 2025 convertible notes offering									673,600,000				16,400,000
Outstanding debt			690,000,000.0						690,000,000.0				577,500,000
Conversion feature													111,500,000
Long-term debt			676,300,000						676,300,000				564,000,000.0
Convertible Notes Due 2027
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Proceeds from 2025 convertible notes offering									617,700,000
Outstanding debt			632,500,000						632,500,000				$ 0
First Lien Term Loan Facility
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Debt instrument, face amount															$ 520,000,000
Outstanding debt			$ 1,772,500,000						$ 1,772,500,000
IPO and Private Placement
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Proceeds from issuance of common stock		$ 462,600,000
Class A Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Net loss per share - basic (in dollars per share)			$ (0.17)	[2]		$ (0.12)	[2]	$ (0.15)	$ (0.72)	[2]	$ (0.15)	[2]
Net loss per share - diluted (in dollars per share)			(0.17)	[2]		(0.12)	[2]	(0.15)	(0.72)	[2]	(0.15)	[2]
Class A Common Stock | Revision of Prior Period, Accounting Standards Update, Adjustment
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Net loss per share - basic (in dollars per share)			0.03						0.03
Net loss per share - diluted (in dollars per share)			0.03						0.03
Class A Common Stock | Initial Public Offering
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued and sold (in shares)		17,250,000
Share price per share (in dollars per share)		$ 23.00
Proceeds from issuance of common stock		$ 362,600,000
Payment for underwriting discounts and commissions and offering expenses		$ 34,200,000
Class A Common Stock | Underwriters Option
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued and sold (in shares)		2,250,000
Class C Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Net loss per share - basic (in dollars per share)			(0.17)	[2]		(0.12)	[2]	(0.15)	(0.72)	[2]	(0.15)	[2]
Net loss per share - diluted (in dollars per share)			(0.17)	[2]		$ (0.12)	[2]	$ (0.15)	(0.72)	[2]	$ (0.15)	[2]
Class C Common Stock | Revision of Prior Period, Accounting Standards Update, Adjustment
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Net loss per share - basic (in dollars per share)			0.03						0.03
Net loss per share - diluted (in dollars per share)			$ 0.03						$ 0.03
Class C Common Stock | Private Placement
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued and sold (in shares)		4,625,346
Proceeds from issuance of common stock		$ 100,000,000

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

[2] For the nine months ended September 30, 2020, represents basic and diluted net loss per share of Class A and Class C common stock and weighted average shares of Class A and Class C common stock outstanding for the period from June 5, 2020 through September 30, 2020, the period following the Reorganization Transactions and Shift4 Payments, Inc.'s initial public offering described in Note 1. See Note 21 for additional information on basic and diluted net loss per share.

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Organization, Basis of Presentation and Significant Accounting Policies - Effect of Revisions (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended						4 Months Ended	9 Months Ended
		Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020		Sep. 30, 2020	Sep. 30, 2021		Sep. 30, 2020
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Cost of sales	[1]	$ 313.4				$ 163.3			$ 773.8		$ 429.5
Gross profit		64.4				51.5			194.3		126.5
General and administrative expenses		48.1				35.4			153.3		144.8
Total operating expenses		70.0				55.4			238.5		178.6
Income (loss) from operations		(5.6)				(3.9)			(44.2)		(52.1)
Loss before income taxes		(12.8)				(10.5)			(64.4)		(90.7)
Net loss		$ (13.8)	[2]	$ 4.5	$ (51.0)	$ (9.8)	[2]	$ (11.8)	$ (60.3)	[2]	$ (89.7)	[2]
Class A and Class C
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Basic and diluted net loss per share - Class A and Class C						$ (0.12)					$ (0.15)
As Previously Reported
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Cost of sales						$ 163.3					$ 427.7
Gross profit						51.5					128.3
General and administrative expenses						35.5					147.0
Total operating expenses						55.5					180.8
Income (loss) from operations						(4.0)					(52.5)
Loss before income taxes						(10.6)					(91.1)
Net loss						$ (9.9)					$ (90.1)
As Previously Reported | Class A and Class C
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Basic and diluted net loss per share - Class A and Class C						$ (0.12)					$ (0.15)
Adjustment
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Cost of sales						$ 0.0					$ 1.8
Gross profit						0.0					(1.8)
General and administrative expenses						(0.1)					(2.2)
Total operating expenses						(0.1)					(2.2)
Income (loss) from operations						0.1					0.4
Loss before income taxes						0.1					0.4
Net loss						$ 0.1					$ 0.4

[1] For the three and nine months ended September 30, 2021, includes $2.3 million of payments to partners associated with the TSYS outage. See Note 3 for more information.

[2] Net loss is equal to comprehensive loss.

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Acquisitions - Narrative (Details) - USD ($) $ in Millions						3 Months Ended			9 Months Ended
		Sep. 01, 2021	Mar. 03, 2021	Nov. 05, 2020	Oct. 16, 2020	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Business acquisition, net of cash acquired									$ 54.2	$ 0.0
Gross revenue	[1]					$ 377.8		$ 214.8	968.1	$ 556.0
Working capital adjustment, decrease in goodwill									(2.4)
Postec
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired		100.00%
Business acquisition, net of cash acquired		$ 14.0
Business acquisition, expenses						0.3			0.3
Postec | Trademarks and trade names
Business Acquisition [Line Items]
Weighted average life		2 years
Postec | Customer Relationships
Business Acquisition [Line Items]
Weighted average life		11 years
VenueNext
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired			100.00%
Business acquisition, expenses									1.1
Business combination, consideration transferred			$ 66.9
VenueNext | Accounting Standards Update 2021-08
Business Acquisition [Line Items]
Adjustment to deferred revenue						5.7
Gross revenue						2.8			2.8
Adjustment to other intangible assets									1.3
Working capital adjustment, decrease in goodwill									$ 1.3
VenueNext | Class A Common Stock
Business Acquisition [Line Items]
Business acquisition consideration transferred, value of shares			$ 24.5
VenueNext | Developed Technology
Business Acquisition [Line Items]
Weighted average life			10 years
VenueNext | Trademarks and trade names
Business Acquisition [Line Items]
Weighted average life			10 years
VenueNext | Customer Relationships
Business Acquisition [Line Items]
Weighted average life			11 years
3dcart
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired				100.00%
Business acquisition, net of cash acquired				$ 39.9
3dcart | Class A Common Stock
Business Acquisition [Line Items]
Business acquisition consideration transferred, value of shares				$ 19.2
Hospitality Technology Vendor
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired					100.00%
Business acquisition, net of cash acquired					$ 9.9
Business combination, consideration transferred					9.5
Working capital adjustment, decrease in goodwill					$ (0.4)
Measurement period adjustment, accounts receivable						$ 2.3	$ (0.3)

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

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Acquisitions - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2021	Sep. 01, 2021	Mar. 03, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 537.6			$ 477.0
Postec
Business Acquisition [Line Items]
Cash		$ 1.7
Accounts receivable		1.2
Prepaid expenses and other current assets		0.3
Inventory		0.6
Other intangible assets		5.6
Property, plant and equipment		0.3
Goodwill		10.3
Accounts payable		(1.0)
Deferred revenue		(2.8)
Other accrued expenses		(0.5)
Net assets acquired		15.7
Net assets acquired, Less cash		$ 14.0
VenueNext
Business Acquisition [Line Items]
Accounts receivable			$ 0.7
Prepaid expenses and other current assets			0.2
Inventory			0.2
Other intangible assets			19.8
Goodwill			52.7
Accounts payable			(0.9)
Deferred revenue			(5.8)
Net assets acquired			$ 66.9

XML

Acquisitions - Schedule of Purchase Price Included the Forms of Consideration (Details) - VenueNext - USD ($) $ in Millions		9 Months Ended
	Mar. 03, 2021	Sep. 30, 2021
Business Acquisition [Line Items]
Cash	$ 42.2
Total purchase consideration	68.5
Less: cash acquired	(1.6)
Business combination, consideration transferred	66.9
RSUs
Business Acquisition [Line Items]
RSUs granted for fair value of equity-based compensation awards	1.8
Class A Common Stock
Business Acquisition [Line Items]
Shares of Class A common stock	$ 24.5
Business acquisition, number of shares issued (in shares)	345,423	341,924

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Revenue - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Gross revenue	[1]	$ (377.8)	$ (214.8)	$ (968.1)	$ (556.0)
Cost of sales	[2]	313.4	$ 163.3	773.8	$ 429.5
Deferred revenue		19.4		$ 19.4		$ 8.1
Payments To Partners
Disaggregation Of Revenue [Line Items]
Cost of sales		$ 2.3

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

[2] For the three and nine months ended September 30, 2021, includes $2.3 million of payments to partners associated with the TSYS outage. See Note 3 for more information.

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Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	[1]	$ 377.8	$ 214.8	$ 968.1	$ 556.0
Over-time revenue
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers		366.9	210.3	938.2	533.8
Point-in-time revenue
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers		10.9	4.5	29.9	22.2
Payments-based revenue
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers		346.9	196.8	887.6	494.4
Subscription and other revenues
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers		$ 30.9	$ 18.0	$ 80.5	$ 61.6

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

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Revenue - Summary of Annual Service Fees and Regulatory Compliance Fees (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Gross revenue	[1]	$ 377.8	$ 214.8	$ 968.1	$ 556.0
Annual service fees and regulatory compliance fees
Disaggregation Of Revenue [Line Items]
Gross revenue		8.8	3.5	18.9	10.3
Amount of these fees included in deferred revenue at beginning of period
Disaggregation Of Revenue [Line Items]
Gross revenue		$ 4.4	$ 2.6	$ 4.4	$ 3.3

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.

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Revenue - Schedule of Changes in Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 5.7	$ 2.5
Additions to expense	10.3	6.2
Write-offs, net of recoveries and other adjustments	(2.6)	(2.8)
Ending balance	13.4	5.9
Additions to expense	10.3	$ 6.2
Cost of sales
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Additions to expense	5.5
Additions to expense	$ 5.5

XML

Restructuring - Summary of Changes in Restructuring Accrual (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance at December 31, 2020	$ 2.9
Severance payments	(1.2)
Accretion of interest	0.2
Balance at September 30, 2021	$ 1.9

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Restructuring - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring expenses	$ 0.1	$ 0.1	$ 0.2	$ 0.4
Restructuring accrual, current portion	1.5		1.5		$ 1.4
Restructuring accrual outstanding	1.9		1.9		2.9
Restructuring accrual outstanding expected to be paid in 2021	0.4		0.4
Restructuring accrual outstanding expected to be paid in 2022	1.6		1.6
Accretion of interest	0.1		0.1
Accrued Expenses and Other Current Liabilities
Restructuring Cost And Reserve [Line Items]
Restructuring accrual, current portion	1.5		1.5		1.4
Other Noncurrent Liabilities
Restructuring Cost And Reserve [Line Items]
Restructuring accrual, noncurrent portion	$ 0.4		$ 0.4		$ 1.5

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Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2020	$ 477.0
Hospitality Technology Vendor measurement period adjustment	(2.4)
Balance at September 30, 2021	537.6
VenueNext
Goodwill [Roll Forward]
Acquisition during period	52.7
Postec
Goodwill [Roll Forward]
Acquisition during period	$ 10.3

XML

Other Intangible Assets, Net - Schedule of Other Intangible Assets, Net (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Carrying Value	$ 383.0	$ 397.4
Accumulated Amortization	194.7	211.1
Net Carrying Value	$ 188.3	$ 186.3
Merchant relationships
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	8 years	8 years
Carrying Value	$ 200.1	$ 185.8
Accumulated Amortization	126.7	106.5
Net Carrying Value	$ 73.4	$ 79.3
Acquired technology
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	9 years	9 years
Carrying Value	$ 113.2	$ 105.1
Accumulated Amortization	51.7	42.2
Net Carrying Value	$ 61.5	$ 62.9
Trademarks and trade names
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	18 years	9 years
Carrying Value	$ 20.3	$ 57.4
Accumulated Amortization	3.4	39.1
Net Carrying Value	$ 16.9	$ 18.3
Noncompete agreements
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period		2 years
Carrying Value		$ 3.9
Accumulated Amortization		3.9
Net Carrying Value		$ 0.0
Capitalized software development costs
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years	4 years
Carrying Value	$ 36.2	$ 25.1
Accumulated Amortization	7.9	5.8
Net Carrying Value	$ 28.3	$ 19.3
Leasehold interest
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period		2 years
Carrying Value		$ 0.1
Accumulated Amortization		0.1
Net Carrying Value		$ 0.0
Residual commission buyouts
Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	3 years	3 years
Carrying Value	$ 13.2	$ 20.0
Accumulated Amortization	5.0	13.5
Net Carrying Value	8.2	6.5
Contingent payment	$ 3.9	$ 3.4

XML

Other Intangible Assets, Net - Schedule of Estimated Amortization Expense for Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
2021 (remaining three months)	$ 14.1
2022	43.6
2023	30.9
2024	25.8
2025	23.2
Thereafter	50.7
Net Carrying Value	$ 188.3	$ 186.3

XML

Other Intangible Assets, Net - Schedule of Amounts Charged to Expense in Amortization of Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 13.1	$ 13.1	$ 41.8	$ 38.9
Depreciation and amortization expense
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets	8.2	9.8	27.7	28.7
Cost of sales
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 4.9	$ 3.3	$ 14.1	$ 10.2

XML

Capitalized Acquisition Costs, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Capitalized Contract Cost [Line Items]
Capitalized acquisition cost, net	$ 34.3		$ 34.3		$ 30.2
Capitalized acquisition cost, gross carrying value	65.2		65.2		55.7
Capitalized acquisition cost, accumulated amortization	$ 30.9		$ 30.9		$ 25.5
Capitalized acquisition costs, weighted average amortization period	3 years		3 years		3 years
Cost of sales
Capitalized Contract Cost [Line Items]
Capitalized acquisition cost, amortization expense	$ 5.4	$ 4.2	$ 15.5	$ 11.2

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Capitalized Acquisition Costs, Net - Summary of Estimate Future Amortization Expense for Capitalized Acquisition Costs (Details) $ in Millions	Sep. 30, 2021 USD ($)
Capitalized Acquisition Costs, Net [Abstract]
2021 (remaining three months)	$ 5.4
2022	17.1
2023	9.8
2024	2.0
Total	$ 34.3

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Equipment for Lease, Net - Schedule of Equipment for Lease, Net (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Operating Leased Assets [Line Items]
Carrying Value	$ 74.8	$ 43.5
Accumulated Depreciation	18.5	6.9
Net Carrying Value	$ 56.3	$ 36.6
Equipment under lease
Operating Leased Assets [Line Items]
Weighted Average Depreciation Period	3 years	3 years
Carrying Value	$ 65.5	$ 36.5
Accumulated Depreciation	18.5	6.9
Net Carrying Value	47.0	29.6
Equipment held for lease
Operating Leased Assets [Line Items]
Carrying Value	9.3	7.0
Accumulated Depreciation	0.0	0.0
Net Carrying Value	$ 9.3	$ 7.0

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Equipment for Lease, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Depreciation and amortization expenses of equipment	$ 5.8	$ 5.7	$ 15.4	$ 5.7

XML

Property, Plant and Equipment, Net - Summary of Property,Plant and Equipment, Net (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Property Plant and Equipment [Line Items]
Total property and equipment, gross	$ 30.7	$ 39.6
Less: Accumulated depreciation	(12.9)	(24.5)
Total property, plant and equipment, net	17.8	15.1
Equipment
Property Plant and Equipment [Line Items]
Total property and equipment, gross	11.4	16.0
Capitalized software
Property Plant and Equipment [Line Items]
Total property and equipment, gross	8.5	8.7
Leasehold improvements
Property Plant and Equipment [Line Items]
Total property and equipment, gross	8.5	11.6
Furniture and fixtures
Property Plant and Equipment [Line Items]
Total property and equipment, gross	2.0	3.1
Vehicles
Property Plant and Equipment [Line Items]
Total property and equipment, gross	$ 0.3	$ 0.2

XML

Property, Plant and Equipment, Net - Summary of Amounts Charged to Expense in the Unaudited Condensed Consolidated Statements of Operations for Depreciation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Property Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 15.0	$ 16.2	$ 45.9	$ 37.1
Cost of sales	0.5	0.4	1.3	1.2
Total depreciation expense	1.5	1.2	4.1	3.9
Depreciation and amortization expense
Property Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 1.0	$ 0.8	$ 2.8	$ 2.7

XML

Debt - Summary of Outstanding Debt (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Total borrowings	$ 1,772.5	$ 1,028.4
Less: Current portion of debt	0.0	(0.9)
Total debt	1,772.5	1,027.5
Less: Unamortized capitalized financing costs	(35.7)	(22.1)
Total long-term debt	1,736.8	1,005.4
Convertible Notes Due 2025
Debt Instrument [Line Items]
Total borrowings	690.0	577.5
Less: Unamortized capitalized financing costs	(13.7)	(13.5)
Convertible Notes Due 2027
Debt Instrument [Line Items]
Total borrowings	632.5	0.0
Senior Notes due 2026
Debt Instrument [Line Items]
Total borrowings	450.0	450.0
Other financing arrangements
Debt Instrument [Line Items]
Other financing arrangements	$ 0.0	$ 0.9

XML

Debt - Narrative (Details)		1 Months Ended			3 Months Ended			9 Months Ended		12 Months Ended
	Jan. 29, 2021 USD ($)	Jul. 31, 2021 USD ($) day $ / shares	Oct. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) day $ / shares	Dec. 31, 2019 USD ($)	Jun. 30, 2021	Feb. 28, 2021 USD ($)	Jan. 01, 2021 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount											$ 650,000,000
Decrease to additional paid-in capital					$ (614,300,000)			$ (614,300,000)		$ (738,300,000)			$ (2,100,000)
Decrease to retained deficit					315,900,000	$ 266,300,000		315,900,000	$ 266,300,000	278,700,000
Loss on extinguishment of debt					0	0		200,000	7,100,000
Proceeds from revolving line of credit								0	68,500,000
Outstanding borrowings repaid								0	89,500,000
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					99,500,000			99,500,000		89,500,000	$ 90,000,000
Proceeds from revolving line of credit							$ 68,500,000
Outstanding borrowings repaid				$ 89,500,000
Minimum letters of credit outstanding covenant percentage of revolving commitments	35.00%
Debt instrument default interest rate per year	2.00%
Standby Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					500,000			500,000		500,000
ASU 2020-06
Debt Instrument [Line Items]
Decrease to additional paid-in capital														$ 111,500,000
Decrease to retained deficit														1,600,000
Long-term debt														$ 109,900,000
Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility unused commitment fee	0.50%										0.50%
Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility unused commitment fee	0.25%										0.25%
LIBOR | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate											0.00%
LIBOR | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate	3.50%										4.50%
LIBOR | Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate	3.00%										4.00%
Base Rate | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate											0.00%
Base Rate | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate	2.50%										3.50%
Base Rate | Minimum | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate	2.00%										3.00%
Federal Funds Rate | Maximum | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, variable interest rate	0.50%
Alternate Base Rate and LIBO Rate | Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, floor rate	0.00%
Convertible Notes Due 2025
Debt Instrument [Line Items]
Amortization of capitalized financing fees					1,700,000	$ 800,000		4,100,000	$ 2,900,000
Debt instrument, face amount					690,000,000.0			690,000,000.0		690,000,000
Proceeds from 2025 notes offering										$ 673,600,000
Debt Instrument, convertible price percentage										130.00%
Debt instrument, redemption price percentage										100.00%
Carrying amount representing conversion option										$ 114,200,000
Proceeds from 2025 convertible notes offering								673,600,000		16,400,000
Conversion feature										111,500,000
Long-term debt					676,300,000			676,300,000		$ 564,000,000.0
Debt instrument effective interest rate												0.48%
Convertible Notes Due 2025 | Convertible Debt
Debt Instrument [Line Items]
Proceeds from 2025 notes offering		$ 617,700,000
Convertible Notes Due 2025 | Class A Common Stock
Debt Instrument [Line Items]
Debt Instrument initial conversion of shares (in shares)										12.4262
Debt instrument, conversion price per share (in dollars per share) | $ / shares										$ 80.48
Convertible Notes Due 2025 | Minimum
Debt Instrument [Line Items]
Debt instrument, face amount	$ 150,000,000
Convertible Notes Due 2025 | Quarter Commencing After March 31, 2021
Debt Instrument [Line Items]
Debt Instrument, number of trading days | day										20
Debt Instrument, number of consecutive trading days | day										30
Debt Instrument, convertible price percentage										130.00%
Convertible Notes Due 2025 | Quarter Commencing After March 31, 2021 | Convertible Debt
Debt Instrument [Line Items]
Debt Instrument, number of trading days | day		20
Debt Instrument, number of consecutive trading days | day		30
Debt Instrument, convertible price percentage		130.00%
Convertible Notes Due 2025 | 2021 Measurement Period
Debt Instrument [Line Items]
Debt Instrument, number of consecutive trading days | day										5
Debt Instrument, convertible price percentage										98.00%
Debt instrument number of business days | day										5
Convertible Notes Due 2025 | 2021 Measurement Period | Convertible Debt
Debt Instrument [Line Items]
Debt Instrument, number of consecutive trading days | day		5
Debt Instrument, convertible price percentage		98.00%
Debt instrument number of business days | day		5
Convertible Notes Due 2027
Debt Instrument [Line Items]
Proceeds from 2025 convertible notes offering								617,700,000
Convertible Notes Due 2027 | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount		$ 632,500,000			632,500,000			632,500,000
Proceeds from 2025 convertible notes offering								14,800,000
Long-term debt					618,000,000.0			618,000,000.0
Debt instrument effective interest rate		0.89%
Debt instrument, interest rate, stated percentage		0.50%
Convertible Notes Due 2027 | Class A Common Stock | Convertible Debt
Debt Instrument [Line Items]
Debt Instrument initial conversion of shares (in shares)		8.1524
Debt instrument, conversion price per share (in dollars per share) | $ / shares		$ 122.66
4.625% Senior Notes Due 2026
Debt Instrument [Line Items]
Debt instrument, face amount			$ 450,000,000
Debt instrument, redemption price percentage			100.00%
Debt instrument, interest rate, stated percentage			4.625%
Proceeds from notes offering			$ 442,800,000
Repayments of debt			$ 450,000,000
Debt instrument, redemption percentage			104.625%
Redemption period minimum term			10 days
Redemption period maximum term			60 days
4.625% Senior Notes Due 2026 | Maximum
Debt Instrument [Line Items]
Debt instrument, redemption percentage			40.00%
4.625% Senior Notes Due 2026 | Minimum
Debt Instrument [Line Items]
Debt instrument, redemption percentage			50.00%
First Lien Term Loan Facility
Debt Instrument [Line Items]
Debt instrument, face amount											$ 520,000,000
Debt instrument, principal pre-payment				59,800,000
First Lien Term Loan Facility | LIBOR
Debt Instrument [Line Items]
Debt instrument, variable interest rate											4.50%
Second Lien Term Loan Facility
Debt Instrument [Line Items]
Debt instrument, face amount											$ 130,000,000
Debt instrument, repayment of outstanding amount				$ 130,000,000
Second Lien Term Loan Facility | LIBOR
Debt Instrument [Line Items]
Debt instrument, variable interest rate											8.50%
First Lien Credit Agreement
Debt Instrument [Line Items]
Loss on extinguishment of debt					$ 200,000			$ 200,000
First Lien Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	100,000,000
First Lien Credit Agreement | Letter of Credit
Debt Instrument [Line Items]
Revolving loan facility available	$ 25,000,000

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Debt - Summary of Net Carrying Amount of Convertible Notes (Details) - USD ($)	Sep. 30, 2021	Jul. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Principal outstanding				$ 650,000,000
Unamortized debt issuance costs	$ (35,700,000)		$ (22,100,000)
Convertible Notes Due 2025
Debt Instrument [Line Items]
Principal outstanding	690,000,000.0		690,000,000
Unamortized debt discount	0		(112,500,000)
Unamortized debt issuance costs	(13,700,000)		(13,500,000)
Net carrying value	676,300,000		$ 564,000,000.0
Convertible Notes Due 2027 | Convertible Debt
Debt Instrument [Line Items]
Principal outstanding	632,500,000	$ 632,500,000
Unamortized debt issuance costs	(14,500,000)
Net carrying value	$ 618,000,000.0

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Other Consolidated Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Other Consolidated Balance Sheet Components [Abstract]
Prepaid insurance	$ 4.5	$ 2.5
Prepaid merchant signing bonuses	1.4	0.0
Other prepaid expenses	5.8	6.5
Taxes receivable	1.1	1.2
Agent and employee loan receivables	0.2	0.3
Other current assets	0.2	1.0
Total prepaid expenses and other current assets	$ 13.2	$ 11.5

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Other Consolidated Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Other Consolidated Balance Sheet Components [Abstract]
Residuals payable	$ 12.1	$ 6.8
Accrued interest	9.2	3.6
Deferred employer social security tax pursuant to the CARES Act	3.0	3.0
Deferred tenant reimbursement allowance	2.8	3.1
Accrued payroll	2.3	2.8
Escrow payable	0.0	2.3
Accrued rent	1.5	1.5
Taxes payable	1.3	1.4
Restructuring accrual	1.5	1.4
Other current liabilities	3.7	4.2
Total accrued expenses and other current liabilities	$ 37.4	$ 30.1

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Fair Value Measurement - Narrative (Details)	9 Months Ended
	Sep. 30, 2021 shares
Class A Common Stock | Initial Public Offering
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Issuance of common stock for change of control contingent liabilities (in shares)	915,503

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Fair Value Measurement - Reconciliation of Beginning and Ending Balances for Level 3 Contingent Liabilities (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Deferred compensation liabilities		$ 1.7	$ 1.9
Significant Observable Inputs (Level 3)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 0.0	(32.3)
Additions	0.0	1.7
Fair value adjustments	0.2	(7.6)
Balance at end of period	0.0	$ (0.9)
Significant Observable Inputs (Level 3) | Restricted Stock Units | Initial Public Offering
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Issuance of restricted stock units for settlement of contingent liabilities (in shares)		89,842
Significant Observable Inputs (Level 3) | Earnout Payments
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Payments made for contingent liabilities	(0.2)	$ (2.3)
Significant Observable Inputs (Level 3) | Change of Control | Class A Common Stock | Restricted Stock Units
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Payments made for contingent liabilities	$ 0.0	$ (23.2)

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Fair Value Measurement - Summary of Estimated Fair Value (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	$ 1,772.5	$ 1,140.0
Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	1,953.7	1,311.9
2025 Convertible Notes | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	690.0	690.0
2025 Convertible Notes | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	835.4	843.9
Senior Notes due 2026 | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	450.0	450.0
Senior Notes due 2026 | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	470.8	468.0
Convertible Notes Due 2027 | Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	632.5	0.0
Convertible Notes Due 2027 | Fair Value | Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt	$ 647.5	$ 0.0

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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Effective tax rate	7.80%	(6.70%)	(6.40%)	(1.10%)
U.S federal statutory income tax rate	21.00%	21.00%	21.00%	21.00%
Tax benefit of net operating loss carryback allowed due to CARES Act			$ 0.6
Tax receivable agreement realized tax benefit percentage			85.00%
Tax receivable agreement expected remaining tax benefit percentage			15.00%

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Operating Lease Agreements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Rent expense	$ 1.5	$ 1.3	$ 4.4	$ 4.7
SaaS Agreement
Disaggregation of Revenue [Line Items]
Total remaining performance obligations amount	$ 10.3		$ 10.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-10-01 | SaaS Agreement
Disaggregation of Revenue [Line Items]
Total remaining performance obligations period	1 year		1 year

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Operating Lease Agreements - Summary of Future Minimum Rental Payments Under Operating Lease (Details) $ in Millions	Sep. 30, 2021 USD ($)
Leases [Abstract]
2021 (remaining three months)	$ 1.6
2022	4.9
2023	4.0
2024	3.9
2025	3.4
Thereafter	6.9
Total	$ 24.7

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Related Party Transactions (Details)	1 Months Ended		3 Months Ended	6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($) contract $ / Unit shares	Mar. 31, 2021 USD ($) $ / Unit shares	Sep. 30, 2021 USD ($) $ / Unit shares	Jun. 30, 2021 USD ($)	Sep. 30, 2021 USD ($) $ / Unit shares	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Feb. 28, 2021 USD ($)
Related Party Transaction [Line Items]
Management fees						$ 800,000
Payments made to related parties		$ 2,200,000
Additional paid-in capital	$ 614,300,000		$ 614,300,000		$ 614,300,000		$ 738,300,000	$ 2,100,000
Reimbursement of expenses			400,000	$ 800,000
Rook Holdings Inc
Related Party Transaction [Line Items]
Right to exchange and sell limited liability company shares by lender upon default (in shares) | shares		10,000,000
Follow On Offering
Related Party Transaction [Line Items]
Related party costs			600,000			1,200,000	1,000,000
Aircraft Service | Founder
Related Party Transaction [Line Items]
Total expense transaction with related party			200,000		700,000	$ 200,000
Outstanding to related parties	$ 0		$ 0		$ 0		$ 0
VPF Contract | Affiliated Entity
Related Party Transaction [Line Items]
Forward floor price (in dollars per share) | $ / Unit		73.19
Forward cap price (in dollars per share) | $ / Unit		137.24
VPF Contract | Affiliated Entity | Class A Common Stock
Related Party Transaction [Line Items]
Number of shares covering under contract (in shares) | shares		2,000,000
VPF Contract | Affiliated Entity | Class B Common Stock | Maximum
Related Party Transaction [Line Items]
Number of shares pledged under contract (in shares) | shares	4,440,000	2,000,000	4,440,000		4,440,000
VPF Contracts With Dealer | Affiliated Entity
Related Party Transaction [Line Items]
Number of VPF contracts | contract	2
VPF Contract Dealer One | Affiliated Entity
Related Party Transaction [Line Items]
Forward cap price (in dollars per share) | $ / Unit	112.09		112.09		112.09
VPF Contract Dealer One | Affiliated Entity | Class A Common Stock
Related Party Transaction [Line Items]
Number of shares covering under contract (in shares) | shares	2,180,000
VPF Contract Dealer Two | Affiliated Entity
Related Party Transaction [Line Items]
Forward floor price (in dollars per share) | $ / Unit	66.4240		66.4240		66.4240
Forward cap price (in dollars per share) | $ / Unit	120.39		120.39		120.39
VPF Contract Dealer Two | Affiliated Entity | Class A Common Stock
Related Party Transaction [Line Items]
Number of shares covering under contract (in shares) | shares	2,260,000

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Redeemable Preferred Units (Details) - Non-convertible Redeemable Preferred Units - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Temporary Equity [Line Items]
Redeemable preferred units, preferred dividend rate	10.50%
Redeemable preferred units, accrued preferred dividends		$ 2.1

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Stockholders' Equity/Members' Deficit (Details)	Sep. 30, 2021 vote $ / shares shares	Dec. 31, 2020 $ / shares shares
Class of Stock [Line Items]
Preferred stock, authorized (in shares)	20,000,000	20,000,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Preferred Stock
Class of Stock [Line Items]
Preferred stock, authorized (in shares)	20,000,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001
Class A Common Units | Searchlight
Class of Stock [Line Items]
Investment owned shares (in shares)	28,889,790
Interest owned percentage	52.30%
Class A Common Units | Rook Holdings Inc
Class of Stock [Line Items]
Investment owned shares (in shares)	25,829,016
Interest owned percentage	46.70%
Class B Common Units | Former Equity Owner
Class of Stock [Line Items]
Investment owned shares (in shares)	528,150
Interest owned percentage	1.00%
Class A Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares)	300,000,000	300,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Votes per common share | vote	1
Class B Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Votes per common share | vote	10
Class C Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001	$ 0.0001
Votes per common share | vote	10

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Noncontrolling Interests (Details)	9 Months Ended
	Sep. 30, 2021 shares
LLC Interests
Balance at beginning of period (in shares)	80,552,659
Issuance of common stock (in shares)	2,368,493
Redemption of LLC units (in shares)	0
Balance at end of period (in shares)	82,921,152
Ownership percentage
Balance at beginning of period	100.00%
Issuance of LLC units	0.00%
Redemption of LLC units	0.00%
Balance at end of period	100.00%
Shift4 Payments, Inc.
LLC Interests
Balance at beginning of period (in shares)	49,926,802
Issuance of common stock (in shares)	2,368,493
Redemption of LLC units (in shares)	4,353,203
Balance at end of period (in shares)	56,648,498
Ownership percentage
Balance at beginning of period	62.00%
Issuance of LLC units	1.00%
Redemption of LLC units	5.30%
Balance at end of period	68.30%
Continuing Equity Owners
LLC Interests
Balance at beginning of period (in shares)	30,625,857
Issuance of common stock (in shares)	0
Redemption of LLC units (in shares)	(4,353,203)
Balance at end of period (in shares)	26,272,654
Ownership percentage
Balance at beginning of period	38.00%
Issuance of LLC units	(1.00%)
Redemption of LLC units	(5.30%)
Balance at end of period	31.70%

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Equity-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense		$ 6.3	$ 6.2	$ 26.9	$ 56.2
RSUs and PRSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized equity-based compensation expense		$ 39.2		$ 39.2
Unrecognized equity-based compensation expense expected to be recognized over weighted-average period				1 year 9 months 25 days
2020 Incentive Award Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum common stock available for issuance (in shares)	7,159,924
Percentage of outstanding shares of all classes of common stock	1.00%
2020 Incentive Award Plan | Initial Public Offering | RSUs and PRSUs Subject to Continued Service | Vest in Prior to June 2021 | Class A Common Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested grant date fair value (in dollars per share)				$ 23.00

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Equity-based Compensation - Schedule of RSU Activity (Details)	9 Months Ended
	Sep. 30, 2021 $ / shares shares
RSUs
Number of RSUs
Unvested balance at beginning of period (in shares)	4,840,508
Granted (in shares)	165,751
Vested (in shares)	(3,262,321)
Forfeited or cancelled (in shares)	(18,206)
Unvested balance at end of period (in shares)	1,725,732
Weighted Average Grant Date Fair Value
Unvested balance at beginning of period (in dollars per share) | $ / shares	$ 24.35
Granted (in dollars per share) | $ / shares	74.97
Vested (in dollars per share) | $ / shares	23.09
Forfeited or cancelled (in dollars per share) | $ / shares	45.07
Unvested balance at end of period (in dollars per share) | $ / shares	$ 31.33
RSUs Not Subject to Continued Service | 2020 Incentive Award Plan
Number of RSUs
Granted (in shares)	77,326
RSUs Issued in Connection with VenueNext Acquisition, Vesting at Anniversary Dates | 2020 Incentive Award Plan
Number of RSUs
Granted (in shares)	35,973
RSUs Issued in Connection with VenueNext Acquisition, Vesting at Anniversary Dates | 2020 Incentive Award Plan | Minimum
Weighted Average Grant Date Fair Value
Vesting period	6 months
RSUs Issued in Connection with VenueNext Acquisition, Vesting at Anniversary Dates | 2020 Incentive Award Plan | Maximum
Weighted Average Grant Date Fair Value
Vesting period	2 years

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Basic and Diluted Net Loss per Share - Schedule of Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						4 Months Ended	9 Months Ended
	Sep. 30, 2021		Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020		Sep. 30, 2020	Sep. 30, 2021		Sep. 30, 2020
Earnings Per Share Basic and Diluted [Line Items]
Net loss	$ (13.8)	[1]	$ 4.5	$ (51.0)	$ (9.8)	[1]	$ (11.8)	$ (60.3)	[1]	$ (89.7)	[1]
Less: Net loss attributable to noncontrolling interests	(4.6)	[2]			(4.8)	[2]	(5.8)	(21.5)	[2]	(83.7)	[2]
Net loss attributable to Shift4 Payments, Inc.	(9.2)	[3]			(5.0)	[3]	(6.0)	(38.8)	[3]	$ (6.0)	[3]
Adjustment to net loss attributable to common stockholders	(0.1)				(0.1)		(0.2)	(0.6)
Net loss attributable to common stockholders	(9.3)				(5.1)		(6.2)	(39.4)
Numerator - Basic and Diluted:
Net loss attributable to common stockholders, basic	(9.3)				(5.1)		(6.2)	(39.4)
Net loss attributable to common stockholders, diluted	(9.3)				(5.1)		(6.2)	(39.4)
Class A Common Stock
Earnings Per Share Basic and Diluted [Line Items]
Net loss attributable to common stockholders	(8.2)				(2.8)		(3.3)	(33.5)
Numerator - Basic and Diluted:
Net loss attributable to common stockholders, basic	(8.2)				(2.8)		(3.3)	(33.5)
Net loss attributable to common stockholders, diluted	$ (8.2)				$ (2.8)		$ (3.3)	$ (33.5)
Denominator - Basic and Diluted:
Weighted average shares of common stock outstanding, basic (in shares)	49,692,599	[4]			23,309,247	[4]	22,363,399	46,251,576	[4]	22,363,399	[4]
Weighted average shares of common stock outstanding, diluted (in shares)	49,692,599	[4]			23,309,247	[4]	22,363,399	46,251,576	[4]	22,363,399	[4]
Net loss per share - Basic and Diluted:
Net loss per share, basic (in dollars per share)	$ (0.17)	[4]			$ (0.12)	[4]	$ (0.15)	$ (0.72)	[4]	$ (0.15)	[4]
Net loss per share, diluted (in dollars per share)	$ (0.17)	[4]			$ (0.12)	[4]	$ (0.15)	$ (0.72)	[4]	$ (0.15)	[4]
Class C Common Stock
Earnings Per Share Basic and Diluted [Line Items]
Net loss attributable to common stockholders	$ (1.1)				$ (2.3)		$ (2.9)	$ (5.9)
Numerator - Basic and Diluted:
Net loss attributable to common stockholders, basic	(1.1)				(2.3)		(2.9)	(5.9)
Net loss attributable to common stockholders, diluted	$ (1.1)				$ (2.3)		$ (2.9)	$ (5.9)
Denominator - Basic and Diluted:
Weighted average shares of common stock outstanding, basic (in shares)	6,117,997	[4]			19,222,017	[4]	19,424,100	8,078,943	[4]	19,424,100	[4]
Weighted average shares of common stock outstanding, diluted (in shares)	6,117,997	[4]			19,222,017	[4]	19,424,100	8,078,943	[4]	19,424,100	[4]
Net loss per share - Basic and Diluted:
Net loss per share, basic (in dollars per share)	$ (0.17)	[4]			$ (0.12)	[4]	$ (0.15)	$ (0.72)	[4]	$ (0.15)	[4]
Net loss per share, diluted (in dollars per share)	$ (0.17)	[4]			$ (0.12)	[4]	$ (0.15)	$ (0.72)	[4]	$ (0.15)	[4]

[1] Net loss is equal to comprehensive loss.

[2] Net loss attributable to noncontrolling interests is equal to comprehensive loss attributable to noncontrolling interests, including the net loss for the period January 1, 2020 through June 4, 2020, the date the SEC declared effective the Company’s Registration Statement on Form S-1 filed in connection with its IPO. See Note 1 for more information.

[3] Net loss attributable to Shift4 Payments, Inc. is equal to comprehensive loss attributable to Shift4 Payments, Inc.

[4] For the nine months ended September 30, 2020, represents basic and diluted net loss per share of Class A and Class C common stock and weighted average shares of Class A and Class C common stock outstanding for the period from June 5, 2020 through September 30, 2020, the period following the Reorganization Transactions and Shift4 Payments, Inc.'s initial public offering described in Note 1. See Note 21 for additional information on basic and diluted net loss per share.

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Basic and Diluted Net Loss per Share - Schedule of Calculation of Diluted Net Loss Per Share as the Effect Would be Anti-dilutive (Details) - shares	3 Months Ended		4 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2021
Earnings Per Share Basic and Diluted [Line Items]
Antidilutive securities excluded from computation of net loss per share (in shares)	28,887,837	37,785,318	37,785,318	30,581,712
Convertible Notes Due 2025
Earnings Per Share Basic and Diluted [Line Items]
Antidilutive securities excluded from computation of net loss per share (in shares)	46,130	0	0	49,281
LLC Interests that convert into potential Class A common shares
Earnings Per Share Basic and Diluted [Line Items]
Antidilutive securities excluded from computation of net loss per share (in shares)	27,115,975	35,567,488	35,567,488	28,806,699
RSUs and performance RSUs - employee
Earnings Per Share Basic and Diluted [Line Items]
Antidilutive securities excluded from computation of net loss per share (in shares)	1,712,790	2,171,660	2,171,660	1,712,790
RSUs | Non-Employee Directors
Earnings Per Share Basic and Diluted [Line Items]
Antidilutive securities excluded from computation of net loss per share (in shares)	12,942	46,170	46,170	12,942

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Basic and Diluted Net Loss per Share - Narrative (Details)	1 Months Ended	12 Months Ended
	Jul. 31, 2021 day	Dec. 31, 2020 USD ($) day	Sep. 30, 2021 USD ($)	Dec. 31, 2019 USD ($)
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
Debt instrument, face amount | $				$ 650,000,000
Convertible Notes Due 2025
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
Debt Instrument, convertible price percentage		130.00%
Debt instrument, face amount | $		$ 690,000,000	$ 690,000,000.0
Convertible Notes Due 2025 | Quarter Commencing After March 31, 2021
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
Debt Instrument, convertible price percentage		130.00%
Debt Instrument, number of trading days		20
Debt Instrument, number of consecutive trading days		30
Convertible Notes Due 2025 | Quarter Commencing After March 31, 2021 | Convertible Debt
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
Debt Instrument, convertible price percentage	130.00%
Debt Instrument, number of trading days	20
Debt Instrument, number of consecutive trading days	30
Senior Notes Due 2027
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
Debt instrument, face amount | $			$ 632,500,000

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Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Supplemental Cash Flow Information [Abstract]
Cash paid for interest	$ 10.5	$ 33.0
Cash paid for income taxes, net of refunds	0.4	0.8
Noncash operating activities
Deferred compensation settled with restricted stock units	0.0	2.1
Noncash investing activities
Shares and equity-based compensation awards issued in connection with VenueNext acquisition	26.3	0.0
Equipment for lease	4.6	0.0
Capitalized software development costs	1.6	0.0
Capitalized acquisition costs	0.4	0.0
Noncash financing activities
Contingent consideration settled with Class A common stock	0.0	21.1
Right associated with Inspiration4 seat	2.1	0.0
Short-term financing for directors and officers insurance	0.0	3.4
Preferred return on preferred stock settled with LLC Interests	0.0	2.3
Offering costs not yet paid	$ 0.0	$ 0.8

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Segments - Narrative (Details)	9 Months Ended
	Sep. 30, 2021 segment
Segment Reporting [Abstract]
Number of operating segment	1
Number of reportable segment	1

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Segments - Summary of Gross Revenue by Revenue (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Gross revenue	[1]	$ 377.8	$ 214.8	$ 968.1	$ 556.0
Less: network fees		251.9	127.1	608.4	321.8
Less: Other costs of sales		61.5	36.2	165.4	107.7
Gross profit		64.4	51.5	194.3	126.5
Gross Revenue Contra Account
Segment Reporting Information [Line Items]
Gross revenue		(22.4)		(22.4)
Payments-based revenue
Segment Reporting Information [Line Items]
Gross revenue		346.9	196.8	887.6	494.4
Subscription and other revenues
Segment Reporting Information [Line Items]
Gross revenue		$ 30.9	$ 18.0	$ 80.5	$ 61.6

[1] For the three and nine months ended September 30, 2021, includes $22.4 million of payments to merchants associated with the TSYS outage, which are recorded as contra revenue and reflected as a reduction of "Gross revenue." See Note 3 for more information.